diff --git a/patrole_tempest_plugin/rbac_utils.py b/patrole_tempest_plugin/rbac_utils.py
index 48d5b4c..d5f1c2b 100644
--- a/patrole_tempest_plugin/rbac_utils.py
+++ b/patrole_tempest_plugin/rbac_utils.py
@@ -13,19 +13,19 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import six
 import time
-import urllib3
+
+from tempest.common import credentials_factory
+from tempest import config
+from tempest.test import BaseTestCase
 
 from oslo_log import log as logging
-from tempest import config
 
-from patrole_tempest_plugin import rbac_exceptions as rbac_exc
+from patrole_tempest_plugin import rbac_exceptions
 
-LOG = logging.getLogger(__name__)
 CONF = config.CONF
-http = urllib3.PoolManager()
+LOG = logging.getLogger(__name__)
 
 
 class Singleton(type):
@@ -40,89 +40,64 @@
 
 @six.add_metaclass(Singleton)
 class RbacUtils(object):
-    def __init__(self):
-        RbacUtils.dictionary = {}
 
-    @staticmethod
-    def get_roles(caller):
-        admin_role_id = None
-        rbac_role_id = None
+    def __init__(cls):
+        creds_provider = credentials_factory.get_credentials_provider(
+            name=__name__,
+            force_tenant_isolation=True,
+            identity_version=BaseTestCase.get_identity_version())
 
-        if bool(RbacUtils.dictionary) is False:
-            admin_token = caller.admin_client.token
-            headers = {'X-Auth-Token': admin_token,
-                       "Content-Type": "application/json"}
-            url_to_get_role = CONF.identity.uri_v3 + '/roles/'
-            response = http.request('GET', url_to_get_role, headers=headers)
-            if response.status != 200:
-                raise rbac_exc.RbacResourceSetupFailed('Unable to'
-                                                       ' retrieve roles')
-            data = response.data
-            roles = json.loads(data)
-            for item in roles['roles']:
-                if item['name'] == CONF.rbac.rbac_test_role:
-                    rbac_role_id = item['id']
-                if item['name'] == 'admin':
-                    admin_role_id = item['id']
+        cls.creds_client = creds_provider.creds_client
+        cls.available_roles = cls.creds_client.roles_client.list_roles()
+        cls.admin_role_id = cls.rbac_role_id = None
+        for item in cls.available_roles['roles']:
+            if item['name'] == CONF.rbac.rbac_test_role:
+                cls.rbac_role_id = item['id']
+            if item['name'] == 'admin':
+                cls.admin_role_id = item['id']
+        # Check if admin and rbac role exits
+        if not cls.admin_role_id or not cls.rbac_role_id:
+            msg = ("defined 'rbac_role' or 'admin' role does not exist"
+                   " in the system.")
+            raise rbac_exceptions.RbacResourceSetupFailed(msg)
 
-            RbacUtils.dictionary.update({'admin_role_id': admin_role_id,
-                                         'rbac_role_id': rbac_role_id})
+    def clear_user_roles(cls, user_id, tenant_id):
+        roles = cls.creds_client.roles_client.list_user_roles_on_project(
+            tenant_id, user_id)['roles']
 
-        return RbacUtils.dictionary
+        for role in roles:
+            cls.creds_client.roles_client.delete_role_from_user_on_project(
+                tenant_id, user_id, role['id'])
 
-    @staticmethod
-    def delete_all_roles(self, base_url, headers):
-        # Find the current role
-        response = http.request('GET', base_url, headers=headers)
-        if response.status != 200:
-            raise rbac_exc.RbacResourceSetupFailed('Unable to retrieve'
-                                                   ' user role')
-        data = response.data
-        roles = json.loads(data)
-        for item in roles['roles']:
-            url = base_url + item['id']
-            response = http.request('DELETE', url, headers=headers)
-            self.assertEqual(204, response.status)
-
-    @staticmethod
-    def switch_role(self, switchToRbacRole=None):
+    def switch_role(cls, test_obj, switchToRbacRole=None):
         LOG.debug('Switching role to: %s', switchToRbacRole)
-        if switchToRbacRole is None:
-            return
-
-        roles = rbac_utils.get_roles(self)
-        rbac_role_id = roles.get('rbac_role_id')
-        admin_role_id = roles.get('admin_role_id')
+        if not isinstance(switchToRbacRole, bool):
+            msg = ("Wrong value for parameter 'switchToRbacRole' is passed."
+                   " It should be either 'True' or 'False'.")
+            raise rbac_exceptions.RbacActionFailed(msg)
 
         try:
-            user_id = self.auth_provider.credentials.user_id
-            project_id = self.auth_provider.credentials.tenant_id
-            admin_token = self.admin_client.token
+            user_id = test_obj.auth_provider.credentials.user_id
+            project_id = test_obj.auth_provider.credentials.tenant_id
 
-            headers = {'X-Auth-Token': admin_token,
-                       "Content-Type": "application/json"}
-            base_url = (CONF.identity.uri_v3 + '/projects/' + project_id +
-                        '/users/' + user_id + '/roles/')
-
-            rbac_utils.delete_all_roles(self, base_url, headers)
+            cls.clear_user_roles(user_id, project_id)
 
             if switchToRbacRole:
-                url = base_url + rbac_role_id
-                response = http.request('PUT', url, headers=headers)
-                self.assertEqual(204, response.status)
+                cls.creds_client.roles_client.create_user_role_on_project(
+                    project_id, user_id, cls.rbac_role_id)
             else:
-                url = base_url + admin_role_id
-                response = http.request('PUT', url, headers=headers)
-                self.assertEqual(204, response.status)
+                cls.creds_client.roles_client.create_user_role_on_project(
+                    project_id, user_id, cls.admin_role_id)
 
         except Exception as exp:
             LOG.error(exp)
             raise
-        finally:
-                self.auth_provider.clear_auth()
-                # Sleep to avoid 401 errors caused by rounding
-                # In timing of fernet token creation
-                time.sleep(1)
-                self.auth_provider.set_auth()
 
-rbac_utils = RbacUtils()
+        finally:
+            test_obj.auth_provider.clear_auth()
+            # Sleep to avoid 401 errors caused by rounding
+            # In timing of fernet token creation
+            time.sleep(1)
+            test_obj.auth_provider.set_auth()
+
+rbac_utils = RbacUtils
diff --git a/patrole_tempest_plugin/tests/api/compute/admin/test_admin_password_rbac.py b/patrole_tempest_plugin/tests/api/compute/admin/test_admin_password_rbac.py
index 953f518..7d057c5 100644
--- a/patrole_tempest_plugin/tests/api/compute/admin/test_admin_password_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/admin/test_admin_password_rbac.py
@@ -20,7 +20,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -30,7 +29,7 @@
 class PasswordAdminRbacTest(rbac_base.BaseV2ComputeAdminRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(PasswordAdminRbacTest, self).tearDown()
 
     @classmethod
@@ -56,7 +55,7 @@
         service="nova", rule="os_compute_api:os-admin-password")
     @decorators.idempotent_id('908a7d59-3a66-441c-94cf-38e57ed14956')
     def test_change_server_password(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.change_password(
             self.server_id,
             adminPass=data_utils.rand_password())
@@ -65,5 +64,5 @@
         service="nova", rule="os_compute_api:os-admin-password:discoverable")
     @decorators.idempotent_id('379fce8a-f1ff-11e6-bc64-92361f002671')
     def test_admin_password_discoverable(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.extensions_client.show_extension('os-admin-password')
diff --git a/patrole_tempest_plugin/tests/api/compute/admin/test_admin_server_actions_rbac.py b/patrole_tempest_plugin/tests/api/compute/admin/test_admin_server_actions_rbac.py
index c49ba82..888f9a4 100644
--- a/patrole_tempest_plugin/tests/api/compute/admin/test_admin_server_actions_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/admin/test_admin_server_actions_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -27,7 +26,7 @@
 class ServersAdminRbacTest(rbac_base.BaseV2ComputeAdminRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServersAdminRbacTest, self).tearDown()
 
     @classmethod
@@ -52,7 +51,7 @@
         rule="os_compute_api:os-admin-actions:reset_state")
     @decorators.idempotent_id('ae84dd0b-f364-462e-b565-3457f9c019ef')
     def test_reset_server_state(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.reset_state(self.server_id, state='error')
         self.addCleanup(self.client.reset_state,
                         self.server_id,
@@ -63,7 +62,7 @@
         rule="os_compute_api:os-admin-actions:inject_network_info")
     @decorators.idempotent_id('ce48c340-51c1-4cff-9b6e-0cc5ef008630')
     def test_inject_network_info(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.inject_network_info(self.server_id)
 
     @rbac_rule_validation.action(
@@ -71,7 +70,7 @@
         rule="os_compute_api:os-admin-actions:reset_network")
     @decorators.idempotent_id('2911a242-15c4-4fcb-80d5-80a8930661b0')
     def test_reset_network(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.reset_network(self.server_id)
 
     @rbac_rule_validation.action(
@@ -79,5 +78,5 @@
         rule="os_compute_api:os-admin-actions:discoverable")
     @decorators.idempotent_id('e9d2991f-a05e-4116-881b-e2a82bb173cf')
     def test_admin_actions_discoverable(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.extensions_client.show_extension('os-admin-actions')
diff --git a/patrole_tempest_plugin/tests/api/compute/rbac_base.py b/patrole_tempest_plugin/tests/api/compute/rbac_base.py
index 6fd8f30..8292a1b 100644
--- a/patrole_tempest_plugin/tests/api/compute/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/compute/rbac_base.py
@@ -17,11 +17,13 @@
 from tempest.api.compute import base as compute_base
 from tempest import config
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseV2ComputeRbacTest(compute_base.BaseV2ComputeTest):
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -29,20 +31,23 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 '%s skipped as RBAC flag not enabled' % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseV2ComputeRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseV2ComputeRbacTest, cls).setup_clients()
         cls.admin_client = cls.os_admin.agents_client
         cls.auth_provider = cls.os.auth_provider
+        cls.rbac_utils = rbac_utils()
 
 
 class BaseV2ComputeAdminRbacTest(compute_base.BaseV2ComputeAdminTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -50,15 +55,18 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 '%s skipped as RBAC flag not enabled' % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseV2ComputeAdminRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseV2ComputeAdminRbacTest, cls).setup_clients()
         cls.admin_client = cls.os_admin.agents_client
         cls.auth_provider = cls.os.auth_provider
+        cls.rbac_utils = rbac_utils()
 
     @classmethod
     def resource_setup(cls):
diff --git a/patrole_tempest_plugin/tests/api/compute/test_agents_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_agents_rbac.py
index 356782c..dbb285f 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_agents_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_agents_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -26,7 +25,7 @@
 class AgentsRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(AgentsRbacTest, self).tearDown()
 
     @classmethod
@@ -40,5 +39,5 @@
         service="nova", rule="os_compute_api:os-agents")
     @decorators.idempotent_id('d1bc6d97-07f5-4f45-ac29-1c619a6a7e27')
     def test_list_agents_rbac(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.agents_client.list_agents()
diff --git a/patrole_tempest_plugin/tests/api/compute/test_aggregates_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_aggregates_rbac.py
index b1e1b11..f7a8b7a 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_aggregates_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_aggregates_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -28,7 +27,7 @@
 class AggregatesRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(AggregatesRbacTest, self).tearDown()
 
     @classmethod
@@ -65,7 +64,7 @@
         service="nova", rule="os_compute_api:os-aggregates:create")
     @decorators.idempotent_id('ba754393-896e-434a-9704-452ff4a84f3f')
     def test_create_aggregate_rbac(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_aggregate()
 
     @rbac_rule_validation.action(
@@ -73,14 +72,14 @@
     @decorators.idempotent_id('8fb0b749-b120-4727-b3fb-bcfa3fa6f55b')
     def test_show_aggregate_rbac(self):
         aggregate_id = self._create_aggregate()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.aggregates_client.show_aggregate(aggregate_id)
 
     @rbac_rule_validation.action(
         service="nova", rule="os_compute_api:os-aggregates:index")
     @decorators.idempotent_id('146284da-5dd6-4c97-b598-42b480f014c6')
     def test_list_aggregate_rbac(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.aggregates_client.list_aggregates()['aggregates']
 
     @rbac_rule_validation.action(
@@ -88,7 +87,7 @@
     @decorators.idempotent_id('c94e0d69-99b6-477e-b301-2cd0e9d0ad81')
     def test_update_aggregate_rbac(self):
         aggregate_id = self._create_aggregate()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         new_name = data_utils.rand_name('aggregate')
         self.aggregates_client.update_aggregate(aggregate_id, name=new_name)
 
@@ -97,7 +96,7 @@
     @decorators.idempotent_id('5a50c5a6-0f12-4405-a1ce-2288ae895ea6')
     def test_delete_aggregate_rbac(self):
         aggregate_id = self._create_aggregate()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.aggregates_client.delete_aggregate(aggregate_id)
 
     @rbac_rule_validation.action(
@@ -105,7 +104,7 @@
     @decorators.idempotent_id('97e6e9df-5291-4faa-8147-755b2d1f1ce2')
     def test_add_host_to_aggregate_rbac(self):
         aggregate_id = self._create_aggregate()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._add_host_to_aggregate(aggregate_id)
 
     @rbac_rule_validation.action(
@@ -114,7 +113,7 @@
     def test_remove_host_from_aggregate_rbac(self):
         aggregate_id = self._create_aggregate()
         host_name = self._add_host_to_aggregate(aggregate_id)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.aggregates_client.remove_host(aggregate_id, host=host_name)
 
     @rbac_rule_validation.action(
@@ -124,7 +123,7 @@
         aggregate_id = self._create_aggregate()
         rand_key = data_utils.rand_name('key')
         rand_val = data_utils.rand_name('val')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.aggregates_client.set_metadata(
             aggregate_id,
             metadata={rand_key: rand_val})
diff --git a/patrole_tempest_plugin/tests/api/compute/test_assisted_volume_snapshot_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_assisted_volume_snapshot_rbac.py
index 6e0680a..724d07b 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_assisted_volume_snapshot_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_assisted_volume_snapshot_rbac.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 from tempest.lib.common.utils import data_utils
@@ -35,7 +34,7 @@
 
     def tearDown(self):
         """Cleanup and reset RBAC role."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(AssistedVolumeSnapshotRbacTest, self).tearDown()
 
     def _create_and_attach(self):
@@ -55,7 +54,7 @@
         RBAC test for assisted volume snapshot role-create
         """
         self._create_and_attach()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.assisted_volume_snapshot_client.\
             create_volume_attachments(self.volume['id'],
                                       data_utils.rand_uuid())
@@ -74,6 +73,6 @@
         snapshot_id = data_utils.rand_uuid()
         self.assisted_volume_snapshot_client.\
             create_volume_attachments(self.volume['id'], snapshot_id)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.assisted_volume_snapshot_client.\
             delete_volume_attachments(snapshot_id, self.volume['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_attach_interfaces_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_attach_interfaces_rbac.py
index 6243c6a..84215c3 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_attach_interfaces_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_attach_interfaces_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -57,7 +56,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(AttachInterfacesRbacTest, self).tearDown()
 
     def _attach_interface_to_server(self):
@@ -77,7 +76,7 @@
         service="nova",
         rule="os_compute_api:os-attach-interfaces")
     def test_list_interfaces(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_interfaces(self.server['id'])['interfaceAttachments']
 
     @decorators.idempotent_id('d2d3a24d-4738-4bce-a287-36d664746cde')
@@ -85,7 +84,7 @@
         service="nova",
         rule="os_compute_api:os-attach-interfaces:create")
     def test_create_interface(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._attach_interface_to_server()
 
     @decorators.idempotent_id('55b05692-ed44-4608-a84c-cd4219c82799')
@@ -94,5 +93,5 @@
         rule="os_compute_api:os-attach-interfaces:delete")
     def test_delete_interface(self):
         interface = self._attach_interface_to_server()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_interface(self.server['id'], interface['port_id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_availability_zone_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_availability_zone_rbac.py
index 8465add..cb46951 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_availability_zone_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_availability_zone_rbac.py
@@ -15,7 +15,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -24,7 +23,7 @@
 class NovaAvailabilityZoneRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(NovaAvailabilityZoneRbacTest, self).tearDown()
 
     @classmethod
@@ -38,12 +37,12 @@
                                  "os-availability-zone:list")
     @decorators.idempotent_id('cd34e7ea-d26e-4fa3-a8d0-f8883726ce3d')
     def test_get_availability_zone_list_rbac(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.os.availability_zone_client.list_availability_zones()
 
     @rbac_rule_validation.action(service="nova", rule="os_compute_api:"
                                  "os-availability-zone:detail")
     @decorators.idempotent_id('2f61c191-6ece-4f21-b487-39d749e3d38e')
     def test_get_availability_zone_list_detail_rbac(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.os.availability_zone_client.list_availability_zones(detail=True)
diff --git a/patrole_tempest_plugin/tests/api/compute/test_config_drive_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_config_drive_rbac.py
index ed4edfd..5e993dc 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_config_drive_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_config_drive_rbac.py
@@ -17,7 +17,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -37,7 +36,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ConfigDriveRbacTest, self).tearDown()
 
     @decorators.idempotent_id('55c62ef7-b72b-4970-acc6-05b0a4316e5d')
@@ -45,7 +44,7 @@
         service="nova",
         rule="os_compute_api:os-config-drive")
     def test_create_test_server_with_config_drive(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # NOTE(felipemonteiro): This policy action is always enforced,
         # regardless whether the config_drive flag is set to true or false.
         # However, it has been explicitly set to true below, in case that this
diff --git a/patrole_tempest_plugin/tests/api/compute/test_deferred_delete_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_deferred_delete_rbac.py
index 587d479..618a41c 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_deferred_delete_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_deferred_delete_rbac.py
@@ -16,7 +16,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -41,14 +40,14 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(DeferredDeleteRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
         service="nova",
         rule="os_compute_api:os-deferred-delete")
     def test_force_delete_server(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Force-deleting a server enforces os-deferred-delete according to the
         # following API: https://github.com/openstack/nova/blob/master/nova/api
         # /openstack/compute/deferred_delete.py
diff --git a/patrole_tempest_plugin/tests/api/compute/test_flavor_access_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_flavor_access_rbac.py
index 32ec91a..62e8d14 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_flavor_access_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_flavor_access_rbac.py
@@ -22,7 +22,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -50,7 +49,7 @@
         cls.tenant_id = cls.auth_provider.credentials.tenant_id
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FlavorAccessAdminRbacTest, self).tearDown()
 
     @decorators.idempotent_id('a2bd3740-765d-4c95-ac98-9e027378c75e')
@@ -58,7 +57,7 @@
         service="nova",
         rule="os_compute_api:os-flavor-access")
     def test_list_flavor_access(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.client.list_flavor_access(self.flavor_id)
         except exceptions.NotFound as e:
@@ -72,7 +71,7 @@
         service="nova",
         rule="os_compute_api:os-flavor-access:add_tenant_access")
     def test_add_flavor_access(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.add_flavor_access(
             flavor_id=self.flavor_id, tenant_id=self.tenant_id)
         self.addCleanup(self.client.remove_flavor_access,
@@ -88,6 +87,6 @@
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                         self.client.remove_flavor_access,
                         flavor_id=self.flavor_id, tenant_id=self.tenant_id)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.remove_flavor_access(
             flavor_id=self.flavor_id, tenant_id=self.tenant_id)
diff --git a/patrole_tempest_plugin/tests/api/compute/test_flavor_extra_specs_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_flavor_extra_specs_rbac.py
index f658627..505cfa9 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_flavor_extra_specs_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_flavor_extra_specs_rbac.py
@@ -19,7 +19,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -49,7 +48,7 @@
         super(FlavorExtraSpecsAdminRbacTest, cls).resource_cleanup()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FlavorExtraSpecsAdminRbacTest, self).tearDown()
 
     def _set_flavor_extra_spec(self):
@@ -69,7 +68,7 @@
         rule="os_compute_api:os-flavor-extra-specs:show")
     def test_show_flavor_extra_spec(self):
         key = self._set_flavor_extra_spec()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_flavor_extra_spec(self.flavor['id'], key)[key]
 
     @decorators.idempotent_id('fcffeca2-ed04-4e85-bf93-02fb5643f22b')
@@ -77,7 +76,7 @@
         service="nova",
         rule="os_compute_api:os-flavor-extra-specs:create")
     def test_set_flavor_extra_spec(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._set_flavor_extra_spec()
 
     @decorators.idempotent_id('42b85279-6bfa-4f58-b7a2-258c284f03c5')
@@ -86,7 +85,7 @@
         rule="os_compute_api:os-flavor-extra-specs:update")
     def test_update_flavor_extra_spec(self):
         key = self._set_flavor_extra_spec()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         update_val = data_utils.rand_name('val')
         self.client.update_flavor_extra_spec(self.flavor['id'], key,
                                              **{key: update_val})[key]
@@ -97,7 +96,7 @@
         rule="os_compute_api:os-flavor-extra-specs:delete")
     def test_unset_flavor_extra_spec(self):
         key = self._set_flavor_extra_spec()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.unset_flavor_extra_spec(self.flavor['id'], key)
 
     @decorators.idempotent_id('02c3831a-3ce9-476e-a722-d805ac2da621')
@@ -106,5 +105,5 @@
         rule="os_compute_api:os-flavor-extra-specs:index")
     def test_list_flavor_extra_specs(self):
         self._set_flavor_extra_spec()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_flavor_extra_specs(self.flavor['id'])['extra_specs']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_floating_ip_pools_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_floating_ip_pools_rbac.py
index 4a55d80..602dc5a 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_floating_ip_pools_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_floating_ip_pools_rbac.py
@@ -18,7 +18,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -45,7 +44,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FloatingIpPoolsRbacTest, self).tearDown()
 
     @decorators.idempotent_id('c1a17153-b25d-4444-a721-5897d7737482')
@@ -53,5 +52,5 @@
         service="nova",
         rule="os_compute_api:os-floating-ip-pools")
     def test_list_floating_ip_pools(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_floating_ip_pools()['floating_ip_pools']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_floating_ips_bulk_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_floating_ips_bulk_rbac.py
index ccd3873..e4d1963 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_floating_ips_bulk_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_floating_ips_bulk_rbac.py
@@ -18,7 +18,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -45,7 +44,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FloatingIpsBulkRbacTest, self).tearDown()
 
     @decorators.idempotent_id('3b5c8a02-005d-4256-8a95-6fa2f389c6cf')
@@ -53,5 +52,5 @@
         service="nova",
         rule="os_compute_api:os-floating-ips-bulk")
     def test_list_floating_ips_bulk(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_floating_ips_bulk()['floating_ip_info']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_floating_ips_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_floating_ips_rbac.py
index ea5a346..6738539 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_floating_ips_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_floating_ips_rbac.py
@@ -18,7 +18,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -45,7 +44,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FloatingIpsRbacTest, self).tearDown()
 
     @decorators.idempotent_id('ac1b3053-f755-4cda-85a0-30e88b88d7ba')
@@ -53,5 +52,5 @@
         service="nova",
         rule="os_compute_api:os-floating-ips")
     def test_list_floating_ips(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_floating_ips()['floating_ips']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_hosts_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_hosts_rbac.py
index d74a78e..1fca217 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_hosts_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_hosts_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -38,7 +37,7 @@
                 '%s skipped as no compute extensions enabled' % cls.__name__)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(HostsAdminRbacTest, self).tearDown()
 
     @decorators.idempotent_id('035b7935-2fae-4218-8d37-27fa83097494')
@@ -46,5 +45,5 @@
         service="nova",
         rule="os_compute_api:os-hosts")
     def test_list_hosts(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_hosts()['hosts']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_hypervisor_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_hypervisor_rbac.py
index e50bb9e..a572cda 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_hypervisor_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_hypervisor_rbac.py
@@ -17,7 +17,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -37,7 +36,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(HypervisorAdminRbacTest, self).tearDown()
 
     @decorators.idempotent_id('17bbeb9a-e73e-445f-a771-c794448ef562')
@@ -45,5 +44,5 @@
         service="nova",
         rule="os_compute_api:os-hypervisors")
     def test_list_hypervisors(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_hypervisors()['hypervisors']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_instance_actions.py b/patrole_tempest_plugin/tests/api/compute/test_instance_actions.py
index 5bcb18e..a1f12d6 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_instance_actions.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_instance_actions.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -44,7 +43,7 @@
         cls.request_id = cls.server.response['x-compute-request-id']
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(InstanceActionsRbacTest, self).tearDown()
 
     @decorators.idempotent_id('9d1b131d-407e-4fa3-8eef-eb2c4526f1da')
diff --git a/patrole_tempest_plugin/tests/api/compute/test_instance_usages_audit_log_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_instance_usages_audit_log_rbac.py
index b37f74f..aba5b7d 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_instance_usages_audit_log_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_instance_usages_audit_log_rbac.py
@@ -17,7 +17,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -38,13 +37,13 @@
         cls.client = cls.instance_usages_audit_log_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(InstanceUsagesAuditLogAdminRbacTest, self).tearDown()
 
     @decorators.idempotent_id('c80246c0-5c13-4ab0-97ba-91551cd53dc1')
     @rbac_rule_validation.action(
         service="nova", rule="os_compute_api:os-instance-usage-audit-log")
     def test_list_instance_usage_audit_logs(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_instance_usage_audit_logs()
         ["instance_usage_audit_logs"]
diff --git a/patrole_tempest_plugin/tests/api/compute/test_ips_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_ips_rbac.py
index cbe66f6..a7b2f6a 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_ips_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_ips_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -51,7 +50,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IpsRbacTest, self).tearDown()
 
     @decorators.idempotent_id('6886d360-0d86-4760-b1a3-882d81fbebcc')
@@ -59,7 +58,7 @@
         service="nova",
         rule="os_compute_api:ips:index")
     def test_list_addresses(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_addresses(self.server['id'])['addresses']
 
     @decorators.idempotent_id('fa43e7e5-0db9-48eb-9c6b-c11eb766b8e4')
@@ -69,6 +68,6 @@
     def test_list_addresses_by_network(self):
         addresses = self.client.list_addresses(self.server['id'])['addresses']
         address = next(iter(addresses))
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_addresses_by_network(
             self.server['id'], address)[address]
diff --git a/patrole_tempest_plugin/tests/api/compute/test_limits_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_limits_rbac.py
index ae52fe5..5b0d9b6 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_limits_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_limits_rbac.py
@@ -15,7 +15,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -24,7 +23,7 @@
 class LimitsRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(LimitsRbacTest, self).tearDown()
 
     @classmethod
@@ -43,5 +42,5 @@
                                  rule="os_compute_api:limits")
     @decorators.idempotent_id('3fb60f83-9a5f-4fdd-89d9-26c3710844a1')
     def test_show_limits(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_limits()
diff --git a/patrole_tempest_plugin/tests/api/compute/test_migrations_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_migrations_rbac.py
index 4825f82..9ccd35b 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_migrations_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_migrations_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -38,7 +37,7 @@
                 '%s skipped as no compute extensions enabled' % cls.__name__)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(MigrationsAdminRbacTest, self).tearDown()
 
     @decorators.idempotent_id('5795231c-3729-448c-a072-9a225db1a328')
@@ -46,5 +45,5 @@
         service="nova",
         rule="os_compute_api:os-migrations:index")
     def test_list_services(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_migrations()['migrations']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_rescue_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_rescue_rbac.py
index 88997b2..09a020f 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_rescue_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_rescue_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -43,7 +42,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(RescueRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -51,5 +50,5 @@
         rule="os_compute_api:os-rescue")
     @decorators.idempotent_id('fbbb2afc-ed0e-4552-887d-ac00fb5d436e')
     def test_rescue_server(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.rescue_server(self.server['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_security_groups_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_security_groups_rbac.py
index 7cbf012..255c48b 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_security_groups_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_security_groups_rbac.py
@@ -16,14 +16,13 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
 class SecurityGroupsRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(SecurityGroupsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -31,5 +30,5 @@
         rule="os_compute_api:os-security-groups")
     @decorators.idempotent_id('4ac58e49-48c1-4fca-a6c3-3f95fb99eb77')
     def test_server_security_groups(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.security_groups_client.list_security_groups()
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_actions_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_actions_rbac.py
index 9e3b259..c4b44e7 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_actions_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_actions_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -27,7 +26,7 @@
 class ServerActionsRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerActionsRbacTest, self).tearDown()
 
     @classmethod
@@ -68,7 +67,7 @@
         rule="os_compute_api:servers:stop")
     @decorators.idempotent_id('ab4a17d2-166f-4a6d-9944-f17baa576cf2')
     def test_stop_server(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._test_stop_server()
 
     @rbac_rule_validation.action(
@@ -77,5 +76,5 @@
     @decorators.idempotent_id('8876bfa9-4d10-406e-a335-a57e451abb12')
     def test_start_server(self):
         self._test_stop_server()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._test_start_server()
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_diagnostics_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_diagnostics_rbac.py
index 390dae5..ecce552 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_diagnostics_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_diagnostics_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -43,7 +42,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerDiagnosticsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -51,5 +50,5 @@
         rule="os_compute_api:os-server-diagnostics")
     @decorators.idempotent_id('5dabfcc4-bedb-417b-8247-b3ee7c5c0f3e')
     def test_show_server_diagnostics(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_server_diagnostics(self.server['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_groups_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_groups_rbac.py
index 8e47b59..2a108cd 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_groups_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_groups_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -43,7 +42,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerGroupsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -51,7 +50,7 @@
         rule="os_compute_api:os-server-groups:create")
     @decorators.idempotent_id('7f3eae94-6130-47e9-81ac-34009f55be2f')
     def test_create_server_group(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_test_server_group()
 
     @rbac_rule_validation.action(
@@ -60,7 +59,7 @@
     @decorators.idempotent_id('832d9be3-632e-47b2-93d2-5897db43e3e2')
     def test_delete_server_group(self):
         server_group = self.create_test_server_group()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_server_group(server_group['id'])
 
     @rbac_rule_validation.action(
@@ -68,7 +67,7 @@
         rule="os_compute_api:os-server-groups:index")
     @decorators.idempotent_id('5eccd67f-5945-483b-b1c8-de851ebfc1c1')
     def test_list_server_groups(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_server_groups()
 
     @rbac_rule_validation.action(
@@ -77,5 +76,5 @@
     @decorators.idempotent_id('62534e3f-7e99-4a3d-a08e-33e056460cf2')
     def test_show_server_group(self):
         server_group = self.create_test_server_group()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_server_group(server_group['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_password_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_password_rbac.py
index 8dd2a64..45b42bf 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_password_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_password_rbac.py
@@ -17,7 +17,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 
@@ -42,7 +41,7 @@
         cls.server = cls.create_test_server()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerPasswordRbacTest, self).tearDown()
 
     @decorators.idempotent_id('43ad7995-2f12-41cd-8ef1-bae9ffc36818')
@@ -50,5 +49,5 @@
         service="nova",
         rule="os_compute_api:os-server-password")
     def test_delete_password(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_password(self.server['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_usage_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_usage_rbac.py
index 486a023..ea1341b 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_usage_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_usage_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -43,7 +42,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerUsageRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -51,5 +50,5 @@
         rule="os_compute_api:os-server-usage")
     @decorators.idempotent_id('f0437ead-b9fb-462a-9f3d-ce53fac9d57a')
     def test_show_server_diagnostics(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_server(self.server['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_server_volume_attachments_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_server_volume_attachments_rbac.py
index d5897d3..8f96110 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_server_volume_attachments_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_server_volume_attachments_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -52,7 +51,7 @@
         super(ServerVolumeAttachmentRbacTest, cls).resource_cleanup()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServerVolumeAttachmentRbacTest, self).tearDown()
 
     def _create_and_attach(self):
@@ -83,7 +82,7 @@
         rule="os_compute_api:os-volumes-attachments:index")
     @decorators.idempotent_id('529b668b-6edb-41d5-8886-d7dbd0614678')
     def test_list_volume_attachments(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_volume_attachments(self.server['id'])
         ['volumeAttachments']
 
@@ -93,7 +92,7 @@
     @decorators.idempotent_id('21c2c3fd-fbe8-41b1-8ef8-115ec47d54c1')
     def test_create_volume_attachment(self):
         self.volume = self.create_volume()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._attach(self.server, self.volume)
 
     @rbac_rule_validation.action(
@@ -102,7 +101,7 @@
     @decorators.idempotent_id('997df9c2-6e54-47b6-ab74-e4fdb500f385')
     def test_show_volume_attachment(self):
         self._create_and_attach()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_volume_attachment(
             self.server['id'], self.attachment['id'])
 
@@ -113,7 +112,7 @@
     def test_update_volume_attachment(self):
         self._create_and_attach()
         self.volume = self.create_volume()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.update_attached_volume(
             self.server['id'], self.attachment['id'],
             volumeId=self.volume['id'])
@@ -127,5 +126,5 @@
     @decorators.idempotent_id('12b03e90-d087-46af-9c4d-507d021c4984')
     def test_delete_volume_attachment(self):
         self._create_and_attach()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._detach(self.server['id'], self.volume['id'])
diff --git a/patrole_tempest_plugin/tests/api/compute/test_services_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_services_rbac.py
index a2f6409..379b177 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_services_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_services_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -38,7 +37,7 @@
                 '%s skipped as no compute extensions enabled' % cls.__name__)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ServicesAdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -46,5 +45,5 @@
         rule="os_compute_api:os-services")
     @decorators.idempotent_id('7472261b-9c6d-453a-bcb3-aecaa29ad281')
     def test_list_services(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_services()['services']
diff --git a/patrole_tempest_plugin/tests/api/compute/test_simple_tenant_usage_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_simple_tenant_usage_rbac.py
index eb7a91f..f042f00 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_simple_tenant_usage_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_simple_tenant_usage_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -26,7 +25,7 @@
 class SimpleTenantUsageRbacTest(rbac_base.BaseV2ComputeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(SimpleTenantUsageRbacTest, self).tearDown()
 
     @classmethod
@@ -46,7 +45,7 @@
         rule="os_compute_api:os-simple-tenant-usage:list")
     @decorators.idempotent_id('2aef094f-0452-4df6-a66a-0ec22a92b16e')
     def test_simple_tenant_usage_list(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_tenant_usages()
 
     @rbac_rule_validation.action(
@@ -58,5 +57,5 @@
         # the validation method in the API call throws an error.
         self.create_test_server(wait_until='ACTIVE')['id']
         tenant_id = self.auth_provider.credentials.tenant_id
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_tenant_usage(tenant_id=tenant_id)
diff --git a/patrole_tempest_plugin/tests/api/compute/test_suspend_server_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_suspend_server_rbac.py
index a546ee6..3cb5ac1 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_suspend_server_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_suspend_server_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = config.CONF
@@ -45,7 +44,7 @@
         cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
 
         # Guarantee that the server is active during each test run.
         vm_state = self.client.show_server(self.server['id'])['server'][
@@ -62,7 +61,7 @@
         service="nova",
         rule="os_compute_api:os-suspend-server:suspend")
     def test_suspend_server(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.suspend_server(self.server['id'])
         waiters.wait_for_server_status(self.client, self.server['id'],
                                        'SUSPENDED')
@@ -75,7 +74,8 @@
         self.client.suspend_server(self.server['id'])
         waiters.wait_for_server_status(self.client, self.server['id'],
                                        'SUSPENDED')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.resume_server(self.server['id'])
-        waiters.wait_for_server_status(self.client, self.server['id'],
+        waiters.wait_for_server_status(self.client,
+                                       self.server['id'],
                                        'ACTIVE')
diff --git a/patrole_tempest_plugin/tests/api/compute/test_tenant_networks_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_tenant_networks_rbac.py
index 1bb5100..b5ecd55 100644
--- a/patrole_tempest_plugin/tests/api/compute/test_tenant_networks_rbac.py
+++ b/patrole_tempest_plugin/tests/api/compute/test_tenant_networks_rbac.py
@@ -19,7 +19,6 @@
 from tempest import test
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.compute import rbac_base
 
 CONF = cfg.CONF
@@ -53,7 +52,7 @@
         super(TenantNetworksRbacTest, cls).setup_credentials()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(TenantNetworksRbacTest, self).tearDown()
 
     @decorators.idempotent_id('42b39ba1-14aa-4799-9518-34367d0da67a')
@@ -61,5 +60,5 @@
         service="nova",
         rule="os_compute_api:os-tenant-networks")
     def test_list_show_tenant_networks(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_tenant_networks()['networks']
diff --git a/patrole_tempest_plugin/tests/api/identity/v2/rbac_base.py b/patrole_tempest_plugin/tests/api/identity/v2/rbac_base.py
index bd3304d..0155800 100644
--- a/patrole_tempest_plugin/tests/api/identity/v2/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/identity/v2/rbac_base.py
@@ -18,12 +18,14 @@
 from tempest.lib.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseIdentityV2AdminRbacTest(base.BaseIdentityV2AdminTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -31,9 +33,11 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseIdentityV2AdminRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
@@ -42,6 +46,7 @@
         cls.admin_client = cls.os_adm.identity_client
         cls.tenants_client = cls.os.tenants_client
         cls.users_client = cls.os.users_client
+        cls.rbac_utils = rbac_utils()
 
     def _create_service(self):
         name = data_utils.rand_name('service')
diff --git a/patrole_tempest_plugin/tests/api/identity/v2/test_endpoints_rbac.py b/patrole_tempest_plugin/tests/api/identity/v2/test_endpoints_rbac.py
index b448976..060da39 100644
--- a/patrole_tempest_plugin/tests/api/identity/v2/test_endpoints_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v2/test_endpoints_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v2 import rbac_base
 
 CONF = config.CONF
@@ -41,7 +40,7 @@
         cls.internal_url = data_utils.rand_url()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityEndpointsV2AdminRbacTest, self).tearDown()
 
     def _create_endpoint(self):
@@ -68,7 +67,7 @@
         RBAC test for Identity Admin 2.0 create_endpoint
         """
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_endpoint()
 
     @rbac_rule_validation.action(service="keystone",
@@ -82,7 +81,7 @@
         """
 
         endpoint = self._create_endpoint()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.delete_endpoint(endpoint['endpoint']['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -95,5 +94,5 @@
         RBAC test for Identity Admin 2.0 list_endpoint
         """
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.list_endpoints()
diff --git a/patrole_tempest_plugin/tests/api/identity/v2/test_projects_rbac.py b/patrole_tempest_plugin/tests/api/identity/v2/test_projects_rbac.py
index 22e5f87..9bfb241 100644
--- a/patrole_tempest_plugin/tests/api/identity/v2/test_projects_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v2/test_projects_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v2 import rbac_base
 
 CONF = config.CONF
@@ -26,7 +25,7 @@
 class IdentityProjectV2AdminRbacTest(rbac_base.BaseIdentityV2AdminRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityProjectV2AdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="keystone",
@@ -39,7 +38,7 @@
         RBAC test for Identity 2.0 create_tenant
         """
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_tenant()
 
     @rbac_rule_validation.action(service="keystone",
@@ -53,7 +52,7 @@
         """
         tenant = self._create_tenant()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.tenants_client.update_tenant(tenant['id'],
                                           description="Changed description")
 
@@ -68,7 +67,7 @@
         """
         tenant = self._create_tenant()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.tenants_client.delete_tenant(tenant['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -83,7 +82,7 @@
 
         tenant = self._create_tenant()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.tenants_client.show_tenant(tenant['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -95,7 +94,7 @@
 
         RBAC test for Identity 2.0 list_tenants
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.tenants_client.list_tenants()
 
     @rbac_rule_validation.action(service="keystone",
@@ -109,5 +108,5 @@
         """
         tenant = self._create_tenant()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.tenants_client.list_tenant_users(tenant['id'])
diff --git a/patrole_tempest_plugin/tests/api/identity/v2/test_services_rbac.py b/patrole_tempest_plugin/tests/api/identity/v2/test_services_rbac.py
index 93f20ef..cb0ee90 100644
--- a/patrole_tempest_plugin/tests/api/identity/v2/test_services_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v2/test_services_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v2 import rbac_base
 
 CONF = config.CONF
@@ -26,7 +25,7 @@
 class IdentityServicesV2AdminRbacTest(rbac_base.BaseIdentityV2AdminRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityServicesV2AdminRbacTest, self).tearDown()
 
     @classmethod
@@ -42,7 +41,7 @@
 
         RBAC test for Identity Admin 2.0 create_service
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_service()
 
     @rbac_rule_validation.action(service="keystone",
@@ -55,7 +54,7 @@
         """
         service_id = self._create_service()['OS-KSADM:service']['id']
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.delete_service(service_id)
 
     @rbac_rule_validation.action(service="keystone",
@@ -68,7 +67,7 @@
         """
         service_id = self._create_service()['OS-KSADM:service']['id']
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.show_service(service_id)
 
     @rbac_rule_validation.action(service="keystone",
@@ -79,5 +78,5 @@
 
         RBAC test for Identity Admin 2.0 list_service
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.list_services()
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/rbac_base.py b/patrole_tempest_plugin/tests/api/identity/v3/rbac_base.py
index 0dc4a05..c7872b3 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/rbac_base.py
@@ -18,12 +18,14 @@
 from tempest.lib.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseIdentityV3RbacAdminTest(base.BaseIdentityV3AdminTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -31,9 +33,11 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if CONF.auth.tempest_roles != ['admin']:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseIdentityV3RbacAdminTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
@@ -45,6 +49,7 @@
         cls.endpoints_client = cls.os.endpoints_v3_client
         cls.groups_client = cls.os.groups_client
         cls.policies_client = cls.os.policies_client
+        cls.rbac_utils = rbac_utils()
 
     def _create_service(self):
         """Creates a service for test."""
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_credentials_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_credentials_rbac.py
index b1018cd..d51fecb 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_credentials_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_credentials_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 
@@ -27,7 +26,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityCredentialsV3AdminRbacTest, self).tearDown()
 
     def _create_credential(self):
@@ -58,7 +57,7 @@
 
         RBAC test for Keystone: identity:create_credential
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_credential()
 
     @rbac_rule_validation.action(service="keystone",
@@ -74,7 +73,7 @@
         new_keys = [data_utils.rand_name('NewAccess'),
                     data_utils.rand_name('NewSecret')]
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.creds_client \
             .update_credential(credential['id'],
                                credential=credential,
@@ -92,7 +91,7 @@
         """
         _, credential = self._create_credential()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.creds_client.delete_credential(credential['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -105,7 +104,7 @@
         """
         _, credential = self._create_credential()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.creds_client.show_credential(credential['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -116,5 +115,5 @@
 
         RBAC test for Keystone: identity:list_credentials
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.creds_client.list_credentials()
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_endpoints_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_endpoints_rbac.py
index b60c3e8..11b0064 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_endpoints_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_endpoints_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -43,7 +42,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityEndpointsV3AdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="keystone",
@@ -54,7 +53,7 @@
 
         RBAC test for Keystone: identity:create_endpoint
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_endpoint()
 
     @rbac_rule_validation.action(service="keystone",
@@ -68,7 +67,7 @@
         service, endpoint = self._create_endpoint()
         new_url = data_utils.rand_url()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.update_endpoint(endpoint["id"],
                                               service_id=service['id'],
                                               url=new_url)
@@ -83,7 +82,7 @@
         """
         _, endpoint = self._create_endpoint()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.delete_endpoint(endpoint['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -96,7 +95,7 @@
         """
         _, endpoint = self._create_endpoint()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.show_endpoint(endpoint['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -107,5 +106,5 @@
 
         RBAC test for Keystone: identity:create_domain
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.endpoints_client.list_endpoints()
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_groups_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_groups_rbac.py
index ec4fd41..a9c998a 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_groups_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_groups_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityGroupsV3AdminRbacTest, self).tearDown()
 
     def _create_group(self):
@@ -55,7 +54,7 @@
                                  rule="identity:create_group")
     @decorators.idempotent_id('88377f51-9074-4d64-a22f-f8931d048c9a')
     def test_create_group(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_group()
 
     @rbac_rule_validation.action(service="keystone",
@@ -66,7 +65,7 @@
         # Update Group
         new_name = data_utils.rand_name('UpdateGroup')
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.update_group(group['id'],
                                         name=new_name)
 
@@ -76,7 +75,7 @@
     def test_delete_group(self):
         group = self._create_group()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.delete_group(group['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -85,14 +84,14 @@
     def test_show_group(self):
         group = self._create_group()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.show_group(group['id'])
 
     @rbac_rule_validation.action(service="keystone",
                                  rule="identity:list_groups")
     @decorators.idempotent_id('c4d0f76b-735f-4fd0-868b-0006bc420ff4')
     def test_list_groups(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.list_groups()
 
     @rbac_rule_validation.action(service="keystone",
@@ -101,7 +100,7 @@
     def test_add_user_group(self):
         group = self._create_group()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._add_user_to_group(group['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -111,7 +110,7 @@
         group = self._create_group()
         user_id = self._add_user_to_group(group['id'])
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.delete_group_user(group['id'], user_id)
 
     @rbac_rule_validation.action(service="keystone",
@@ -120,7 +119,7 @@
     def test_list_user_group(self):
         group = self._create_group()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.list_group_users(group['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -130,5 +129,5 @@
         group = self._create_group()
         user_id = self._add_user_to_group(group['id'])
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.groups_client.check_group_user_existence(group['id'], user_id)
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_policies_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_policies_rbac.py
index 9341fcb..ade418f 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_policies_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_policies_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityPoliciesV3AdminRbacTest, self).tearDown()
 
     def _create_policy(self):
@@ -49,7 +48,7 @@
                                  rule="identity:create_policy")
     @decorators.idempotent_id('de2f7ecb-fbf0-41f3-abf4-b97b5e082fd5')
     def test_create_policy(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_policy()
 
     @rbac_rule_validation.action(service="keystone",
@@ -59,7 +58,7 @@
         policy = self._create_policy()
         update_type = data_utils.rand_name('UpdatedPolicyType')
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.policies_client.update_policy(policy['id'],
                                            type=update_type)
 
@@ -69,7 +68,7 @@
     def test_delete_policy(self):
         policy = self._create_policy()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.policies_client.delete_policy(policy['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -78,12 +77,12 @@
     def test_show_policy(self):
         policy = self._create_policy()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.policies_client.show_policy(policy['id'])
 
     @rbac_rule_validation.action(service="keystone",
                                  rule="identity:list_policies")
     @decorators.idempotent_id('35a56161-4054-4237-8a78-7ce805dce202')
     def test_list_policies(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.policies_client.list_policies()['policies']
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_projects_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_projects_rbac.py
index c347e56..9d6467c 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_projects_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_projects_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityProjectV3AdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="keystone",
@@ -41,7 +40,7 @@
         RBAC test for Keystone: identity:create_project
         """
         name = data_utils.rand_name('project')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         project = self.non_admin_projects_client \
                       .create_project(name)['project']
         self.addCleanup(self.projects_client.delete_project, project['id'])
@@ -56,7 +55,7 @@
         """
         project = self._setup_test_project()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_projects_client \
             .update_project(project['id'],
                             description="Changed description")
@@ -71,7 +70,7 @@
         """
         project = self._setup_test_project()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_projects_client.delete_project(project['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -84,7 +83,7 @@
         """
         project = self._setup_test_project()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_projects_client.show_project(project['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -95,5 +94,5 @@
 
         RBAC test for Keystone: identity:list_projects
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_projects_client.list_projects()
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_services_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_services_rbac.py
index 30ecb7b..e431216 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_services_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_services_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -28,7 +27,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentitySericesV3AdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="keystone",
@@ -39,7 +38,7 @@
 
         RBAC test for Keystone: identity:create_service
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_service()
 
     @rbac_rule_validation.action(service="keystone",
@@ -53,7 +52,7 @@
         service = self._create_service()
         new_name = data_utils.rand_name('new_test_name')
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.update_service(service['id'],
                                             service=service,
                                             name=new_name,
@@ -69,7 +68,7 @@
         """
         service = self._create_service()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.delete_service(service['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -82,7 +81,7 @@
         """
         service = self._create_service()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.show_service(service['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -93,5 +92,5 @@
 
         RBAC test for Keystone: identity:list_services
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.services_client.list_services()
diff --git a/patrole_tempest_plugin/tests/api/identity/v3/test_users_rbac.py b/patrole_tempest_plugin/tests/api/identity/v3/test_users_rbac.py
index b611541..84d3be6 100644
--- a/patrole_tempest_plugin/tests/api/identity/v3/test_users_rbac.py
+++ b/patrole_tempest_plugin/tests/api/identity/v3/test_users_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.identity.v3 import rbac_base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 
     def tearDown(self):
         """Reverts user back to admin for cleanup."""
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(IdentityUserV3AdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="keystone",
@@ -41,7 +40,7 @@
         RBAC test for Keystone: identity:create_user
         """
         user_name = data_utils.rand_name('test_create_user')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.create_user(name=user_name)
 
     @rbac_rule_validation.action(service="keystone",
@@ -55,7 +54,7 @@
         user_name = data_utils.rand_name('test_update_user')
         user = self._create_test_user(name=user_name, password=None)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.update_user(user['id'],
                                                 name=user_name,
                                                 email="changedUser@xyz.com")
@@ -71,7 +70,7 @@
         user_name = data_utils.rand_name('test_delete_user')
         user = self._create_test_user(name=user_name, password=None)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.delete_user(user['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -82,7 +81,7 @@
 
         RBAC test for Keystone: identity:list_users
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.list_users()
 
     @rbac_rule_validation.action(service="keystone",
@@ -96,7 +95,7 @@
         user_name = data_utils.rand_name('test_get_user')
         user = self._create_test_user(name=user_name, password=None)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.show_user(user['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -110,7 +109,7 @@
         user_name = data_utils.rand_name('test_change_password')
         user = self._create_test_user(name=user_name, password='nova')
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client \
             .update_user_password(user['id'],
                                   original_password='nova',
@@ -127,7 +126,7 @@
         user_name = data_utils.rand_name('User')
         user = self._create_test_user(name=user_name, password=None)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.list_user_groups(user['id'])
 
     @rbac_rule_validation.action(service="keystone",
@@ -140,5 +139,5 @@
         """
         user = self.setup_test_user()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.non_admin_users_client.list_user_projects(user['id'])
diff --git a/patrole_tempest_plugin/tests/api/image/rbac_base.py b/patrole_tempest_plugin/tests/api/image/rbac_base.py
index 5a9731a..9072cb3 100644
--- a/patrole_tempest_plugin/tests/api/image/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/image/rbac_base.py
@@ -11,16 +11,17 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-# Maybe these should be in lib or recreated?
 from tempest.api.image import base as image_base
 from tempest import config
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseV1ImageRbacTest(image_base.BaseV1ImageTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -28,20 +29,23 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseV1ImageRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseV1ImageRbacTest, cls).setup_clients()
         cls.auth_provider = cls.os.auth_provider
         cls.admin_client = cls.os_adm.image_client
+        cls.rbac_utils = rbac_utils()
 
 
 class BaseV2ImageRbacTest(image_base.BaseV2ImageTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -49,12 +53,15 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseV2ImageRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseV2ImageRbacTest, cls).setup_clients()
         cls.auth_provider = cls.os.auth_provider
         cls.admin_client = cls.os_adm.image_client_v2
+        cls.rbac_utils = rbac_utils()
diff --git a/patrole_tempest_plugin/tests/api/image/v1/test_images_member_rbac.py b/patrole_tempest_plugin/tests/api/image/v1/test_images_member_rbac.py
index 97c218a..8ded2ec 100644
--- a/patrole_tempest_plugin/tests/api/image/v1/test_images_member_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v1/test_images_member_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base as base
 
 CONF = config.CONF
@@ -39,7 +38,7 @@
         cls.alt_tenant_id = cls.alt_image_member_client.tenant_id
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImagesMemberRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance", rule="add_member")
@@ -51,7 +50,7 @@
         """
         image = self.create_image()
         # Toggle role and add image member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.create_image_member(image['id'],
                                                      self.alt_tenant_id)
 
@@ -66,7 +65,7 @@
         self.image_member_client.create_image_member(image['id'],
                                                      self.alt_tenant_id)
         # Toggle role and delete image member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.delete_image_member(image['id'],
                                                      self.alt_tenant_id)
 
@@ -81,5 +80,5 @@
         self.image_member_client.create_image_member(image['id'],
                                                      self.alt_tenant_id)
         # Toggle role and delete image member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.list_image_members(image['id'])
diff --git a/patrole_tempest_plugin/tests/api/image/v1/test_images_rbac.py b/patrole_tempest_plugin/tests/api/image/v1/test_images_rbac.py
index ee6a2eb..2bebc2c 100644
--- a/patrole_tempest_plugin/tests/api/image/v1/test_images_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v1/test_images_rbac.py
@@ -20,7 +20,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 class BasicOperationsImagesRbacTest(rbac_base.BaseV1ImageRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(BasicOperationsImagesRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance", rule="add_image")
@@ -41,7 +40,7 @@
         """
         properties = {'prop1': 'val1'}
         image_name = data_utils.rand_name('image')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_image(name=image_name,
                           container_format='bare',
                           disk_format='raw',
@@ -63,7 +62,7 @@
                                  is_public=False,
                                  properties=properties)
         image_id = body['id']
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_image(image_id)
 
     @rbac_rule_validation.action(service="glance", rule="download_image")
@@ -85,7 +84,7 @@
         image_file = moves.cStringIO(data_utils.random_bytes())
         self.client.update_image(image_id, data=image_file)
         # Toggle role and get created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_image(image_id)
 
     @rbac_rule_validation.action(service="glance", rule="get_image")
@@ -107,7 +106,7 @@
         image_file = moves.cStringIO(data_utils.random_bytes())
         self.client.update_image(image_id, data=image_file)
         # Toggle role and get created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.check_image(image_id)
 
     @rbac_rule_validation.action(service="glance", rule="get_images")
@@ -117,7 +116,7 @@
 
         RBAC test for the glance get_images policy.
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_images()
 
     @rbac_rule_validation.action(service="glance", rule="modify_image")
@@ -136,7 +135,7 @@
                                  properties=properties)
         image_id = body.get('id')
         properties = {'prop1': 'val2'}
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.update_image(image_id, headers=properties)
 
     @rbac_rule_validation.action(service="glance", rule="publicize_image")
@@ -148,7 +147,7 @@
         """
         image_name = data_utils.rand_name('image')
         properties = {'prop1': 'val1'}
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_image(name=image_name,
                           container_format='bare',
                           disk_format='raw',
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_objects_rbac.py b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_objects_rbac.py
index 324543e..f66b00c 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_objects_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_objects_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -28,7 +27,7 @@
 class ImageNamespacesObjectsRbacTest(rbac_base.BaseV2ImageRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImageNamespacesObjectsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance",
@@ -40,7 +39,7 @@
         RBAC test for the glance add_metadef_object policy
         """
         namespace = self.create_namespace()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # create a md object, it will be cleaned automatically after
         # cleanup of namespace
         object_name = data_utils.rand_name('test-object')
@@ -60,7 +59,7 @@
         RBAC test for the glance get_metadef_objects policy
         """
         namespace = self.create_namespace()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # list md objects
         self.namespace_objects_client.list_namespace_objects(
             namespace['namespace'])
@@ -83,7 +82,7 @@
                         namespace['namespace'], object_name)
 
         # Toggle role and modify object
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         new_name = "Object New Name"
         self.namespace_objects_client.update_namespace_object(
             namespace['namespace'], object_name, name=new_name)
@@ -105,7 +104,7 @@
                         self.namespace_objects_client.delete_namespace_object,
                         namespace['namespace'], object_name)
         # Toggle role and get object
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespace_objects_client.show_namespace_object(
             namespace['namespace'],
             object_name)
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_property_rbac.py b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_property_rbac.py
index 6804fa3..cd7982b 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_property_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_property_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -33,7 +32,7 @@
         cls.resource_name = body['resource_types'][0]['name']
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(NamespacesPropertyRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance",
@@ -45,7 +44,7 @@
         RBAC test for the glance add_metadef_property policy
         """
         namespace = self.create_namespace()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         property_name = data_utils.rand_name('test-ns-property')
         self.namespace_properties_client.create_namespace_property(
             namespace=namespace['namespace'], type="string",
@@ -60,7 +59,7 @@
         RBAC test for the glance get_metadef_properties policy
         """
         namespace = self.create_namespace()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespace_properties_client.list_namespace_properties(
             namespace=namespace['namespace'])
 
@@ -78,7 +77,7 @@
             namespace=namespace['namespace'], type="string",
             title=property_name, name=self.resource_name)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespace_properties_client.show_namespace_properties(
             namespace['namespace'], self.resource_name)
 
@@ -96,7 +95,7 @@
             namespace=namespace['namespace'], type="string",
             title=property_name, name=self.resource_name)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespace_properties_client.update_namespace_properties(
             namespace['namespace'], self.resource_name, type="string",
             title=property_name, name=self.resource_name)
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_rbac.py b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_rbac.py
index 6396f4f..19b815e 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -28,7 +27,7 @@
 class ImageNamespacesRbacTest(rbac_base.BaseV2ImageRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImageNamespacesRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance",
@@ -40,7 +39,7 @@
         RBAC test for the glance add_metadef_namespace policy
         """
         namespace_name = data_utils.rand_name('test-ns')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespaces_client.create_namespace(
             namespace=namespace_name,
             protected=False)
@@ -57,7 +56,7 @@
 
         RBAC test for the glance get_metadef_namespaces policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespaces_client.list_namespaces()
 
     @rbac_rule_validation.action(service="glance",
@@ -72,7 +71,7 @@
         body = self.namespaces_client.create_namespace(
             namespace=namespace_name,
             protected=False)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.namespaces_client.update_namespace(body['namespace'],
                                                 description="My new "
                                                             "description")
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_resource_type.py b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_resource_type.py
index f7e76c1..8d9bc24 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_resource_type.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_image_namespace_resource_type.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -28,7 +27,7 @@
 class ImageNamespacesResourceTypeRbacTest(rbac_base.BaseV2ImageRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImageNamespacesResourceTypeRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance",
@@ -39,7 +38,7 @@
 
         RBAC test for the glance list_metadef_resource_type policy.
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.resource_types_client.list_resource_types()
 
     @rbac_rule_validation.action(service="glance",
@@ -59,6 +58,6 @@
             self.namespaces_client.delete_namespace,
             namespace_name)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.resource_types_client.list_resource_type_association(
             namespace_name)
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_images_member_rbac.py b/patrole_tempest_plugin/tests/api/image/v2/test_images_member_rbac.py
index d6a6d62..81d03d6 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_images_member_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_images_member_rbac.py
@@ -20,7 +20,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base as base
 
 CONF = config.CONF
@@ -29,7 +28,7 @@
 
 class ImagesMemberRbacTest(base.BaseV2ImageRbacTest):
 
-    credentials = ['primary', 'alt', 'admin']
+    credentials = ['admin', 'alt']
 
     @classmethod
     def resource_setup(cls):
@@ -45,11 +44,11 @@
         cls.alt_image_member_client = cls.os_alt.image_member_client_v2
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImagesMemberRbacTest, self).tearDown()
 
     def setUp(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ImagesMemberRbacTest, self).setUp()
 
     @rbac_rule_validation.action(service="glance",
@@ -63,7 +62,7 @@
         """
         image_id = self.create_image()['id']
         # Toggle role and add image member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.create_image_member(image_id,
                                                      member=self.alt_tenant_id)
 
@@ -80,7 +79,7 @@
         self.image_member_client.create_image_member(image_id,
                                                      member=self.alt_tenant_id)
         # Toggle role and delete image member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.delete_image_member(image_id,
                                                      self.alt_tenant_id)
 
@@ -100,7 +99,7 @@
                 member=self.alt_tenant_id)
 
             # Toggle role and get image member
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.image_member_client.show_image_member(
                 image_id,
                 self.alt_tenant_id)
@@ -126,7 +125,7 @@
             image_id,
             member=self.image_client.tenant_id)
         # Toggle role and update member
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.update_image_member(
             image_id, self.image_client.tenant_id,
             status='accepted')
@@ -144,5 +143,5 @@
         self.image_member_client.create_image_member(image_id,
                                                      member=self.alt_tenant_id)
         # Toggle role and list image members
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.image_member_client.list_image_members(image_id)
diff --git a/patrole_tempest_plugin/tests/api/image/v2/test_images_rbac.py b/patrole_tempest_plugin/tests/api/image/v2/test_images_rbac.py
index 5e20612..faba098 100644
--- a/patrole_tempest_plugin/tests/api/image/v2/test_images_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/v2/test_images_rbac.py
@@ -21,7 +21,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.image import rbac_base
 
 CONF = config.CONF
@@ -36,7 +35,7 @@
         cls.client = cls.os.image_client_v2
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(BasicOperationsImagesRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="glance",
@@ -50,7 +49,7 @@
         """
         uuid = '00000000-1111-2222-3333-444455556666'
         image_name = data_utils.rand_name('image')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_image(name=image_name,
                           container_format='bare',
                           disk_format='raw',
@@ -74,7 +73,7 @@
                                  visibility='private',
                                  ramdisk_id=uuid)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Try uploading an image file
         image_file = moves.cStringIO(data_utils.random_bytes())
         self.client.store_image_file(body['id'], image_file)
@@ -95,7 +94,7 @@
                                  visibility='public')
         image_id = body.get('id')
         # Toggle role and delete created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_image(image_id)
         self.client.wait_for_resource_deletion(image_id)
 
@@ -116,7 +115,7 @@
                                  visibility='private')
         image_id = body.get('id')
         # Toggle role and get created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_image(image_id)
 
     @rbac_rule_validation.action(service="glance",
@@ -130,7 +129,7 @@
         """
 
         # Toggle role and get created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_images()
 
     @rbac_rule_validation.action(service="glance",
@@ -154,7 +153,7 @@
         self.client.store_image_file(image_id, image_file)
 
         # Toggle role and update created image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         new_image_name = data_utils.rand_name('new-image')
         body = self.client.update_image(image_id, [
             dict(replace='/name', value=new_image_name)])
@@ -169,7 +168,7 @@
         RBAC test for the glance publicize_image endpoint
         """
         image_name = data_utils.rand_name('image')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_image(name=image_name,
                           container_format='bare',
                           disk_format='raw',
@@ -196,7 +195,7 @@
         image_file = moves.cStringIO(data_utils.random_bytes())
         self.client.store_image_file(image_id=image_id, data=image_file)
         # Toggling role and deacivate image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.deactivate_image(image_id)
 
     @rbac_rule_validation.action(service="glance",
@@ -221,5 +220,5 @@
         image_file = moves.cStringIO(data_utils.random_bytes())
         self.client.store_image_file(image_id=image_id, data=image_file)
         # Toggling role and reactivate image
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.reactivate_image(image_id)
diff --git a/patrole_tempest_plugin/tests/api/network/rbac_base.py b/patrole_tempest_plugin/tests/api/network/rbac_base.py
index 18a80a1..5f93d81 100644
--- a/patrole_tempest_plugin/tests/api/network/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/network/rbac_base.py
@@ -16,12 +16,14 @@
 from tempest.api.network import base as network_base
 from tempest import config
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseNetworkRbacTest(network_base.BaseNetworkTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -29,12 +31,15 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseNetworkRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseNetworkRbacTest, cls).setup_clients()
         cls.auth_provider = cls.os.auth_provider
         cls.admin_client = cls.os_adm.agents_client
+        cls.rbac_utils = rbac_utils()
diff --git a/patrole_tempest_plugin/tests/api/network/test_floating_ips_rbac.py b/patrole_tempest_plugin/tests/api/network/test_floating_ips_rbac.py
index 3b3d5a9..698d462 100644
--- a/patrole_tempest_plugin/tests/api/network/test_floating_ips_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_floating_ips_rbac.py
@@ -23,7 +23,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
 CONF = config.CONF
@@ -71,7 +70,7 @@
         return floating_ip
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(FloatingIpsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="neutron",
@@ -82,7 +81,7 @@
 
         RBAC test for the neutron create_floatingip policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_floatingip()
 
     @rbac_rule_validation.action(service="neutron",
@@ -95,7 +94,7 @@
         """
         fip = str(netaddr.IPAddress(self.cidr) + 10)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_floatingip(floating_ip_address=fip)
 
     @rbac_rule_validation.action(service="neutron",
@@ -107,7 +106,7 @@
         RBAC test for the neutron update_floatingip policy
         """
         floating_ip = self._create_floatingip()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
 
         # Associate floating IP to the other port
         self.floating_ips_client.update_floatingip(
@@ -121,7 +120,7 @@
         RBAC test for the neutron get_floatingip policy
         """
         floating_ip = self._create_floatingip()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
 
         try:
             # Show floating IP
@@ -141,7 +140,7 @@
         RBAC test for the neutron delete_floatingip policy
         """
         floating_ip = self._create_floatingip()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
 
         try:
             # Delete the floating IP
diff --git a/patrole_tempest_plugin/tests/api/network/test_networks_rbac.py b/patrole_tempest_plugin/tests/api/network/test_networks_rbac.py
index 3faa696..cb79742 100644
--- a/patrole_tempest_plugin/tests/api/network/test_networks_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_networks_rbac.py
@@ -22,7 +22,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
 CONF = config.CONF
@@ -129,7 +128,7 @@
         return updated_network
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(RbacNetworksTest, self).tearDown()
 
     @rbac_rule_validation.action(service="neutron",
@@ -141,7 +140,7 @@
 
         RBAC test for the neutron create_network policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_network()
 
     @rbac_rule_validation.action(service="neutron",
@@ -153,7 +152,7 @@
 
         RBAC test for the neutron create_network:shared policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_network(shared=True)
 
     @rbac_rule_validation.action(service="neutron",
@@ -165,7 +164,7 @@
 
         RBAC test for the neutron create_network:router:external policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_network(router_external=True)
 
     @rbac_rule_validation.action(service="neutron",
@@ -177,7 +176,7 @@
 
         RBAC test for the neutron create_network:provider:network_type policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_network(provider_network_type='vxlan')
 
     @rbac_rule_validation.action(
@@ -190,7 +189,7 @@
 
         RBAC test for the neutron create_network:provider:segmentation_id
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_network(provider_network_type='vxlan',
                              provider_segmentation_id=200)
 
@@ -203,7 +202,7 @@
 
         RBAC test for the neutron update_network policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         updated_network = self._update_network(admin=False)
         self.assertEqual(updated_network['admin_state_up'], False)
 
@@ -220,7 +219,7 @@
 
         RBAC test for the neutron update_network:shared policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         updated_network = self._update_network(shared_network=True)
         self.assertEqual(updated_network['shared'], True)
 
@@ -238,7 +237,7 @@
         RBAC test for the neutron update_network:router:external policy
         """
         network = self._create_network()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._update_network(net_id=network['id'], router_external=True)
 
     @rbac_rule_validation.action(service="neutron",
@@ -250,7 +249,7 @@
 
         RBAC test for the neutron get_network policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # show a network that has been created during class setup
         self.networks_client.show_network(self.admin_network['id'])
 
@@ -265,7 +264,7 @@
         """
         post_body = {'fields': 'router:external'}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.networks_client.show_network(self.admin_network['id'],
                                           **post_body)
 
@@ -280,7 +279,7 @@
         """
         post_body = {'fields': 'provider:network_type'}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         body = self.networks_client.show_network(self.admin_network['id'],
                                                  **post_body)
         showed_net = body['network']
@@ -299,7 +298,7 @@
         """
         post_body = {'fields': 'provider:physical_network'}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         body = self.networks_client.show_network(self.admin_network['id'],
                                                  **post_body)
         showed_net = body['network']
@@ -318,7 +317,7 @@
         """
         post_body = {'fields': 'provider:segmentation_id'}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         body = self.networks_client.show_network(self.admin_network['id'],
                                                  **post_body)
         showed_net = body['network']
@@ -339,7 +338,7 @@
         RBAC test for the neutron delete_network policy
         """
         network = self._create_network()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.networks_client.delete_network(network['id'])
 
     @rbac_rule_validation.action(service="neutron",
@@ -354,7 +353,7 @@
         network = self._create_network()
         self.assertEqual('ACTIVE', network['status'])
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Create a subnet
         self.create_subnet(network, enable_dhcp=False)
 
@@ -367,7 +366,7 @@
 
         RBAC test for the neutron get_subnet policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.subnets_client.show_subnet(self.admin_subnet['id'])
 
     @rbac_rule_validation.action(service="neutron",
@@ -379,7 +378,7 @@
 
         RBAC test for the neutron update_subnet policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.subnets_client.update_subnet(self.admin_subnet['id'],
                                           name="New_subnet")
 
@@ -399,6 +398,6 @@
         # Create a subnet using admin privilege
         subnet = self.create_subnet(network, enable_dhcp=False)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Delete the subnet
         self.subnets_client.delete_subnet(subnet['id'])
diff --git a/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py b/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
index 207ae54..65d9fee 100644
--- a/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
@@ -25,7 +25,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
 CONF = config.CONF
@@ -70,7 +69,7 @@
         return port
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(PortsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="neutron",
@@ -78,7 +77,7 @@
     @decorators.idempotent_id('0ec8c551-625c-4864-8a52-85baa7c40f22')
     def test_create_port(self):
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         post_body = {'network_id': self.admin_network['id']}
         self._create_port(**post_body)
 
@@ -90,7 +89,7 @@
         post_body = {'network_id': self.admin_network['id'],
                      'binding:host_id': "rbac_test_host"}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -106,7 +105,7 @@
         post_body = {'network_id': self.admin_network['id'],
                      'fixed_ips': fixed_ips}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -117,7 +116,7 @@
         post_body = {'network_id': self.admin_network['id'],
                      'mac_address': data_utils.rand_mac_address()}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -130,7 +129,7 @@
         post_body = {'network_id': self.admin_network['id'],
                      'binding:profile': binding_profile}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -145,7 +144,7 @@
         post_body = {'network_id': self.admin_network['id'],
                      'allowed_address_pairs': allowed_address_pairs}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron", rule="get_port")
@@ -153,7 +152,7 @@
     def test_show_port(self):
 
         try:
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
 
             self.ports_client.show_port(self.admin_port['id'])
 
@@ -172,7 +171,7 @@
         fields = ['binding:vif_type']
 
         try:
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.ports_client.show_port(self.admin_port['id'],
                                         fields=fields)
 
@@ -191,7 +190,7 @@
         fields = ['binding:vif_details']
 
         try:
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.ports_client.show_port(self.admin_port['id'],
                                         fields=fields)
 
@@ -213,7 +212,7 @@
         port = self._create_port(**post_body)
 
         try:
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.ports_client.show_port(port['id'],
                                         fields=fields)
 
@@ -236,7 +235,7 @@
         port = self._create_port(**post_body)
 
         try:
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.ports_client.show_port(port['id'],
                                         fields=fields)
 
@@ -252,7 +251,7 @@
     def test_update_port(self):
 
         port = self.create_port(self.admin_network)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(port['id'],
                                       admin_state_up=False)
 
@@ -262,7 +261,7 @@
     def test_update_port_mac_address(self):
 
         port = self.create_port(self.admin_network)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(
             port['id'],
             mac_address=data_utils.rand_mac_address())
@@ -278,7 +277,7 @@
         post_body = {'network_id': self.admin_network['id']}
         port = self._create_port(**post_body)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(port['id'],
                                       fixed_ips=fixed_ips)
 
@@ -288,7 +287,7 @@
     def test_update_port_security_enabled(self):
 
         port = self.create_port(self.admin_network)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(port['id'],
                                       security_groups=[])
 
@@ -304,7 +303,7 @@
         updated_body = {'port_id': port['id'],
                         'binding:host_id': 'rbac_test_host_updated'}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(**updated_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -322,7 +321,7 @@
         updated_body = {'port_id': port['id'],
                         'binding:profile': new_binding_profile}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(**updated_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -337,7 +336,7 @@
         post_body = {'network_id': self.admin_network['id']}
         port = self._create_port(**post_body)
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(port['id'],
                                       allowed_address_pairs=address_pairs)
 
@@ -348,7 +347,7 @@
 
         try:
             port = self._create_port(network_id=self.admin_network['id'])
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             self.ports_client.delete_port(port['id'])
 
         except exceptions.NotFound as e:
diff --git a/patrole_tempest_plugin/tests/api/network/test_routers_rbac.py b/patrole_tempest_plugin/tests/api/network/test_routers_rbac.py
index 662eb41..580b064 100644
--- a/patrole_tempest_plugin/tests/api/network/test_routers_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_routers_rbac.py
@@ -26,7 +26,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
 CONF = config.CONF
@@ -54,7 +53,7 @@
         cls.admin_router = cls.create_router()
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(RouterRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="neutron",
@@ -65,7 +64,7 @@
 
         RBAC test for the neutron create_router policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         router = self.routers_client.create_router()
         self.addCleanup(self.routers_client.delete_router,
                         router['router']['id'])
@@ -84,7 +83,7 @@
         external_gateway_info = {'network_id': self.admin_network['id'],
                                  'enable_snat': True}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         router = self.routers_client.create_router(
             name=name, external_gateway_info=external_gateway_info)
         self.addCleanup(self.routers_client.delete_router,
@@ -110,7 +109,7 @@
                                  'enable_snat': False,
                                  'external_fixed_ips': [external_fixed_ips]}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         router = self.routers_client.create_router(
             name=name, external_gateway_info=external_gateway_info)
         self.addCleanup(self.routers_client.delete_router,
@@ -123,7 +122,7 @@
 
         RBAC test for the neutron get_router policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.routers_client.show_router(self.admin_router['id'])
         except exceptions.NotFound as e:
@@ -141,7 +140,7 @@
         RBAC test for the neutron update_router policy
         """
         new_name = data_utils.rand_name('new-router-name')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.routers_client.update_router(self.admin_router['id'],
                                           name=new_name)
 
@@ -154,7 +153,7 @@
         RBAC test for the neutron
         update_router:external_gateway_info policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.routers_client.update_router(self.admin_router['id'],
                                           external_gateway_info={})
 
@@ -168,7 +167,7 @@
         RBAC test for the neutron
         update_router:external_gateway_info:network_id policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.routers_client.update_router(
             self.admin_router['id'],
             external_gateway_info={'network_id': self.admin_network['id']})
@@ -183,7 +182,7 @@
         RBAC test for the neutron
         update_router:external_gateway_info:enable_snat policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.routers_client.update_router(
             self.admin_router['id'],
             external_gateway_info={'network_id': self.admin_network['id'],
@@ -206,7 +205,7 @@
         external_gateway_info = {'network_id': self.admin_network['id'],
                                  'external_fixed_ips': [external_fixed_ips]}
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.routers_client.update_router(
             self.admin_router['id'],
             external_gateway_info=external_gateway_info)
@@ -224,7 +223,7 @@
         RBAC test for the neutron delete_router policy
         """
         router = self.create_router()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.routers_client.delete_router(router['id'])
         except exceptions.NotFound as e:
@@ -245,7 +244,7 @@
         subnet = self.create_subnet(network)
         router = self.create_router()
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.routers_client.add_router_interface(
                 router['id'], subnet_id=subnet['id'])
@@ -280,7 +279,7 @@
                         router['id'],
                         subnet_id=subnet['id'])
 
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.routers_client.remove_router_interface(
                 router['id'],
diff --git a/patrole_tempest_plugin/tests/api/network/test_subnetpools_rbac.py b/patrole_tempest_plugin/tests/api/network/test_subnetpools_rbac.py
index 052176f..ce38aea 100644
--- a/patrole_tempest_plugin/tests/api/network/test_subnetpools_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_subnetpools_rbac.py
@@ -23,7 +23,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
 CONF = config.CONF
@@ -40,7 +39,7 @@
             raise cls.skipException(msg)
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(SubnetPoolsRbacTest, self).tearDown()
 
     def _create_subnetpool(self, shared=None):
@@ -69,7 +68,7 @@
 
         RBAC test for the neutron create_subnetpool policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_subnetpool()
 
     @rbac_rule_validation.action(service="neutron",
@@ -80,7 +79,7 @@
 
         RBAC test for the neutron create_subnetpool:shared policy
         """
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_subnetpool(shared=True)
 
     @rbac_rule_validation.action(service="neutron",
@@ -92,7 +91,7 @@
         RBAC test for the neutron get_subnetpool policy
         """
         subnetpool = self._create_subnetpool()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.subnetpools_client.show_subnetpool(subnetpool['id'])
         except exceptions.NotFound as e:
@@ -110,7 +109,7 @@
         RBAC test for the neutron update_subnetpool policy
         """
         subnetpool = self._create_subnetpool()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.subnetpools_client.update_subnetpool(subnetpool['id'],
                                                   min_prefixlen=24)
 
@@ -123,7 +122,7 @@
         RBAC test for the neutron delete_subnetpool policy
         """
         subnetpool = self._create_subnetpool()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         try:
             self.subnetpools_client.delete_subnetpool(subnetpool['id'])
         except exceptions.NotFound as e:
diff --git a/patrole_tempest_plugin/tests/api/volume/admin/test_qos_rbac.py b/patrole_tempest_plugin/tests/api/volume/admin/test_qos_rbac.py
index 197cbf6..0d59f77 100644
--- a/patrole_tempest_plugin/tests/api/volume/admin/test_qos_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/admin/test_qos_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -34,14 +33,14 @@
         cls.client = cls.admin_volume_qos_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumeQOSRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
         service="cinder", rule="volume_extension:qos_specs_manage:create")
     @decorators.idempotent_id('4f9f45f0-b379-4577-a279-cec3e917cbec')
     def test_create_qos_with_consumer(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Create a qos
         self.create_test_qos_specs()
 
@@ -51,7 +50,7 @@
     def test_delete_qos_with_consumer(self):
         # Create a qos
         qos = self.create_test_qos_specs()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Delete a qos
         self.client.delete_qos(qos['id'])
 
@@ -61,7 +60,7 @@
     def test_get_qos(self):
         # Create a qos
         qos = self.create_test_qos_specs()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Get a qos
         self.client.show_qos(qos['id'])['qos_specs']
 
@@ -69,7 +68,7 @@
                                  rule="volume_extension:qos_specs_manage:read")
     @decorators.idempotent_id('546b8bb1-04a4-4387-9506-a538a7f3cd6a')
     def test_list_qos(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # list all qos
         self.client.list_qos()['qos_specs']
 
@@ -79,7 +78,7 @@
     def test_set_qos_key(self):
         # Create a qos
         qos = self.create_test_qos_specs()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # set key
         self.client.set_qos_key(qos['id'], iops_bytes='500')['qos_specs']
 
@@ -91,7 +90,7 @@
         qos = self.create_test_qos_specs()
         # Set key
         self.client.set_qos_key(qos['id'], iops_bytes='500')['qos_specs']
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Unset key
         keys = ['iops_bytes']
         self.client.unset_qos_key(qos['id'], keys)
@@ -107,7 +106,7 @@
         qos = self.create_test_qos_specs()
         # create a test volume-type
         vol_type = self.create_volume_type()['id']
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # associate the qos-specs with volume-types
         self.client.associate_qos(qos['id'], vol_type)
         self.addCleanup(self.client.disassociate_qos, qos['id'], vol_type)
@@ -122,7 +121,7 @@
         # associate the qos-specs with volume-types
         self.client.associate_qos(qos['id'], vol_type)
         self.addCleanup(self.client.disassociate_qos, qos['id'], vol_type)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # get the association of the qos-specs
         self.client.show_association_qos(qos['id'])
 
@@ -137,7 +136,7 @@
         self.client.associate_qos(qos['id'], vol_type)
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                         self.client.disassociate_qos, qos['id'], vol_type)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # disassociate a volume-type with qos-specs
         self.client.disassociate_qos(qos['id'], vol_type)
         operation = 'disassociate'
@@ -155,7 +154,7 @@
         self.client.associate_qos(qos['id'], vol_type)
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                         self.client.disassociate_qos, qos['id'], vol_type)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # disassociate all volume-types from qos-specs
         self.client.disassociate_all_qos(qos['id'])
         operation = 'disassociate-all'
diff --git a/patrole_tempest_plugin/tests/api/volume/admin/test_volume_quotas_rbac.py b/patrole_tempest_plugin/tests/api/volume/admin/test_volume_quotas_rbac.py
index c4bd578..4fd8cd6 100644
--- a/patrole_tempest_plugin/tests/api/volume/admin/test_volume_quotas_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/admin/test_volume_quotas_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 QUOTA_KEYS = ['gigabytes', 'snapshots', 'volumes']
@@ -41,14 +40,14 @@
         cls.client = cls.os.volume_quotas_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumeQuotasAdminRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="cinder",
                                  rule="volume_extension:quotas:show")
     @decorators.idempotent_id('b3c7177e-b6b1-4d0f-810a-fc95606964dd')
     def test_list_default_quotas(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_default_quota_set(
             self.demo_tenant_id)['quota_set']
 
@@ -60,7 +59,7 @@
                          'volumes': 11,
                          'snapshots': 11}
         # Update limits for all quota resources
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.update_quota_set(
             self.demo_tenant_id,
             **new_quota_set)['quota_set']
diff --git a/patrole_tempest_plugin/tests/api/volume/admin/test_volumes_backup_admin_rbac.py b/patrole_tempest_plugin/tests/api/volume/admin/test_volumes_backup_admin_rbac.py
index e36d684..468cb61 100644
--- a/patrole_tempest_plugin/tests/api/volume/admin/test_volumes_backup_admin_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/admin/test_volumes_backup_admin_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -32,7 +31,7 @@
             raise cls.skipException("Cinder backup feature disabled")
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesBackupsAdminRbacTest, self).tearDown()
 
     @classmethod
@@ -47,7 +46,7 @@
         # Create a temp backup
         backup = self.create_backup(volume_id=self.volume['id'])
         # Export Backup
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.backups_client.export_backup(
             backup['id'])['backup-record']
 
@@ -61,7 +60,7 @@
         export_backup = self.backups_client.export_backup(
             backup['id'])['backup-record']
         # Import the temp backup
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         import_backup = self.backups_client.import_backup(
             backup_service=export_backup['backup_service'],
             backup_url=export_backup['backup_url'])['backup']
diff --git a/patrole_tempest_plugin/tests/api/volume/rbac_base.py b/patrole_tempest_plugin/tests/api/volume/rbac_base.py
index 67953ee..60ec77e 100644
--- a/patrole_tempest_plugin/tests/api/volume/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/volume/rbac_base.py
@@ -14,12 +14,14 @@
 from tempest.api.volume import base as vol_base
 from tempest import config
 
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+
 CONF = config.CONF
 
 
 class BaseVolumeRbacTest(vol_base.BaseVolumeTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -27,20 +29,23 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseVolumeRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseVolumeRbacTest, cls).setup_clients()
         cls.auth_provider = cls.os.auth_provider
         cls.admin_client = cls.os_adm.volumes_client
+        cls.rbac_utils = rbac_utils()
 
 
 class BaseVolumeAdminRbacTest(vol_base.BaseVolumeAdminTest):
 
-    credentials = ['primary', 'admin']
+    credentials = ['admin']
 
     @classmethod
     def skip_checks(cls):
@@ -48,12 +53,15 @@
         if not CONF.rbac.rbac_flag:
             raise cls.skipException(
                 "%s skipped as RBAC Flag not enabled" % cls.__name__)
-        if 'admin' not in CONF.auth.tempest_roles:
-            raise cls.skipException(
-                "%s skipped because tempest roles is not admin" % cls.__name__)
+
+    @classmethod
+    def setup_credentials(cls):
+        super(BaseVolumeAdminRbacTest, cls).setup_credentials()
+        cls.os = cls.os_adm
 
     @classmethod
     def setup_clients(cls):
         super(BaseVolumeAdminRbacTest, cls).setup_clients()
         cls.auth_provider = cls.os.auth_provider
         cls.admin_client = cls.os_adm.volumes_client
+        cls.rbac_utils = rbac_utils()
diff --git a/patrole_tempest_plugin/tests/api/volume/test_availability_zone_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_availability_zone_rbac.py
index d6426dd..f20d767 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_availability_zone_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_availability_zone_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -31,12 +30,12 @@
         cls.client = cls.availability_zone_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(AvailabilityZoneRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="cinder",
                                  rule="volume:availability_zone_list")
     @decorators.idempotent_id('8cfd920c-4b6c-402d-b6e2-ede86bedc702')
     def test_get_availability_zone_list(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_availability_zones()
diff --git a/patrole_tempest_plugin/tests/api/volume/test_extensions_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_extensions_rbac.py
index a0ff55f..f952ee5 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_extensions_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_extensions_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -26,14 +25,14 @@
 class ExtensionsRbacTest(rbac_base.BaseVolumeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(ExtensionsRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="cinder",
                                  rule="volume:list_extensions")
     @decorators.idempotent_id('7f2dcc41-e850-493f-a400-82db4e2b50c0')
     def test_list_extensions(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.volumes_extension_client.list_extensions()
 
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_snapshots_actions_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_snapshots_actions_rbac.py
index c321400..5b1b560 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_snapshots_actions_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_snapshots_actions_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -40,7 +39,7 @@
         cls.client = cls.os.snapshots_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(SnapshotsActionsRbacTest, self).tearDown()
 
     @classmethod
@@ -59,7 +58,7 @@
     def test_reset_snapshot_status(self):
         # Reset snapshot status to error
         status = 'error'
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.\
             reset_snapshot_status(self.snapshot['id'], status)
 
@@ -73,7 +72,7 @@
         # and force delete temp snapshot
         temp_snapshot = self.create_snapshot(self.volume['id'])
         # Force delete the snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.force_delete_snapshot(temp_snapshot['id'])
         self.client.wait_for_resource_deletion(temp_snapshot['id'])
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_snapshots_metadata_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_snapshots_metadata_rbac.py
index d650177..e445214 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_snapshots_metadata_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_snapshots_metadata_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -32,7 +31,7 @@
             raise cls.skipException("Cinder snapshot feature disabled")
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(SnapshotMetadataRbacTest, self).tearDown()
 
     @classmethod
@@ -58,7 +57,7 @@
     @decorators.idempotent_id('c9cbec1c-edfe-46b8-825b-7b6ac0a58c25')
     def test_create_snapshot_metadata(self):
         # Create metadata for the snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_test_snapshot_metadata()
 
     @rbac_rule_validation.action(service="cinder",
@@ -68,7 +67,7 @@
         # Create volume and snapshot metadata
         self._create_test_snapshot_metadata()
         # Get metadata for the snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.snapshots_client.show_snapshot_metadata(
             self.snapshot_id)
 
@@ -80,7 +79,7 @@
         # Create volume and snapshot metadata
         self._create_test_snapshot_metadata()
         # Get metadata for the snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Get the metadata of the snapshot
         self.snapshots_client.show_snapshot_metadata(
             self.snapshot_id)['metadata']
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volume_actions_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volume_actions_rbac.py
index b15eb3f..d8861b1 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volume_actions_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volume_actions_rbac.py
@@ -20,7 +20,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -47,7 +46,7 @@
         cls.image_client = cls.os.image_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesActionsRbacTest, self).tearDown()
 
     @classmethod
@@ -72,7 +71,7 @@
     @rbac_rule_validation.action(service="cinder", rule="volume:attach")
     @decorators.idempotent_id('f97b10e4-2eed-4f8b-8632-71c02cb9fe42')
     def test_attach_volume_to_instance(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Attach the volume
         self._attach_volume()
 
@@ -81,14 +80,14 @@
     def test_detach_volume_to_instance(self):
         # Attach the volume
         self._attach_volume()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Detach the volume
         self._detach_volume()
 
     @rbac_rule_validation.action(service="cinder", rule="volume:get")
     @decorators.idempotent_id('c4c3fdd5-b1b1-49c3-b977-a9f40ee9257a')
     def test_get_volume_attachment(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Get attachment
         self.client.show_volume(self.volume['id'])
 
@@ -97,7 +96,7 @@
     @decorators.idempotent_id('b0d0da46-903c-4445-893e-20e680d68b50')
     def test_volume_upload(self):
         image_name = data_utils.rand_name('image')
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         body = self.client.upload_volume(
             self.volume['id'], image_name=image_name,
             disk_format=CONF.volume.disk_format)['os-volume_upload_image']
@@ -112,7 +111,7 @@
     @decorators.idempotent_id('2750717a-f250-4e41-9e09-02624aad6ff8')
     def test_volume_readonly_update(self):
         volume = self.create_volume()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Update volume readonly
         self.client.update_volume_readonly(volume['id'], readonly=True)
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volume_create_delete_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volume_create_delete_rbac.py
index 4814fa7..2f65f9a 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volume_create_delete_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volume_create_delete_rbac.py
@@ -21,7 +21,6 @@
 
 from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -31,7 +30,7 @@
 class CreateDeleteVolumeRbacTest(rbac_base.BaseVolumeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(CreateDeleteVolumeRbacTest, self).tearDown()
 
     def _create_volume(self):
@@ -45,7 +44,7 @@
                                  rule="volume:create")
     @decorators.idempotent_id('426b08ef-6394-4d06-9128-965d5a6c38ef')
     def test_create_volume(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Create a volume
         self._create_volume()
 
@@ -56,7 +55,7 @@
         try:
             # Create a volume
             volume = self._create_volume()
-            rbac_utils.switch_role(self, switchToRbacRole=True)
+            self.rbac_utils.switch_role(self, switchToRbacRole=True)
             # Delete a volume
             self.volumes_client.delete_volume(volume['id'])
         except exceptions.NotFound as e:
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volume_metadata_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volume_metadata_rbac.py
index 234865c..a90fadc 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volume_metadata_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volume_metadata_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -33,7 +32,7 @@
         cls.client = cls.os.volumes_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumeMetadataRbacTest, self).tearDown()
 
     def _add_metadata(self, volume):
@@ -50,7 +49,7 @@
     @decorators.idempotent_id('232bbb8b-4c29-44dc-9077-b1398c20b738')
     def test_create_volume_metadata(self):
         volume = self.create_volume()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._add_metadata(volume)
 
     @rbac_rule_validation.action(service="cinder",
@@ -59,7 +58,7 @@
     def test_get_volume_metadata(self):
         volume = self.create_volume()
         self._add_metadata(volume)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.volumes_client.show_volume_metadata(volume['id'])['metadata']
 
     @rbac_rule_validation.action(service="cinder",
@@ -68,7 +67,7 @@
     def test_delete_volume_metadata(self):
         volume = self.create_volume()
         self._add_metadata(volume)
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.volumes_client.delete_volume_metadata_item(volume['id'],
                                                         "key1")
 
@@ -80,7 +79,7 @@
         self._add_metadata(volume)
         # Metadata to update
         update_item = {"key3": "value3_update"}
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.volumes_client.update_volume_metadata_item(
             volume['id'], "key3", update_item)['meta']
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volume_transfers_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volume_transfers_rbac.py
index 485844f..885ab8b 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volume_transfers_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volume_transfers_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -27,7 +26,7 @@
 
 class VolumesTransfersRbacTest(rbac_base.BaseVolumeRbacTest):
 
-    credentials = ['primary', 'alt', 'admin']
+    credentials = ['alt', 'admin']
 
     @classmethod
     def setup_clients(cls):
@@ -37,7 +36,7 @@
         cls.alt_tenant_id = cls.alt_client.tenant_id
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesTransfersRbacTest, self).tearDown()
 
     @classmethod
@@ -64,7 +63,7 @@
                                  rule="volume:create_transfer")
     @decorators.idempotent_id('25413af4-468d-48ff-94ca-4436f8526b3e')
     def test_create_volume_transfer(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._create_transfer()
 
     @rbac_rule_validation.action(service="cinder",
@@ -72,14 +71,14 @@
     @decorators.idempotent_id('7a0925d3-ed97-4c25-8299-e5cdabe2eb55')
     def test_get_volume_transfer(self):
         transfer = self._create_transfer()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_volume_transfer(transfer['id'])
 
     @rbac_rule_validation.action(service="cinder",
                                  rule="volume:get_all_transfers")
     @decorators.idempotent_id('02a06f2b-5040-49e2-b2b7-619a7db59603')
     def test_list_volume_transfers(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_volume_transfers()
 
     @rbac_rule_validation.action(service="cinder",
@@ -87,7 +86,7 @@
     @decorators.idempotent_id('987f2a11-d657-4984-a6c9-28f06c1cd014')
     def test_accept_volume_transfer(self):
         transfer = self._create_transfer()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.accept_volume_transfer(transfer['id'],
                                            auth_key=transfer['auth_key'])
 
@@ -96,7 +95,7 @@
     @decorators.idempotent_id('4672187e-7fff-454b-832a-5c8865dda868')
     def test_delete_volume_transfer(self):
         transfer = self._create_transfer()
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.delete_volume_transfer(transfer['id'])
 
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_backup_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_backup_rbac.py
index 32a1566..8fb1c67 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volumes_backup_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_backup_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -34,7 +33,7 @@
             raise cls.skipException("Cinder backup feature disabled")
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesBackupsRbacTest, self).tearDown()
 
     def create_backup(self, volume_id):
@@ -56,7 +55,7 @@
                                  rule="backup:create")
     @decorators.idempotent_id('6887ec94-0bcf-4ab7-b30f-3808a4b5a2a5')
     def test_volume_backup_create(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_backup(volume_id=self.volume['id'])
 
     @rbac_rule_validation.action(service="cinder",
@@ -66,14 +65,14 @@
         # Create a temp backup
         backup = self.create_backup(volume_id=self.volume['id'])
         # Get a given backup
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.backups_client.show_backup(backup['id'])
 
     @rbac_rule_validation.action(service="cinder",
                                  rule="backup:get_all")
     @decorators.idempotent_id('4d18f0f0-7e01-4007-b622-dedc859b22f6')
     def test_volume_backup_list(self):
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.backups_client.list_backups()
 
     @rbac_rule_validation.action(service="cinder",
@@ -83,7 +82,7 @@
         # Create a temp backup
         backup = self.create_backup(volume_id=self.volume['id'])
         # Restore backup
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.backups_client.restore_backup(backup['id'])['restore']
 
     @rbac_rule_validation.action(service="cinder",
@@ -92,7 +91,7 @@
     def test_volume_backup_delete(self):
         # Create a temp backup
         backup = self.create_backup(volume_id=self.volume['id'])
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Delete backup
         self.backups_client.delete_backup(backup['id'])
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py
index 87e98e2..8fccb47 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py
@@ -18,7 +18,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -27,7 +26,7 @@
 class VolumesExtendRbacTest(rbac_base.BaseVolumeRbacTest):
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesExtendRbacTest, self).tearDown()
 
     @classmethod
@@ -41,7 +40,7 @@
     def test_volume_extend(self):
         # Extend volume test
         extend_size = int(self.volume['size']) + 1
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.volumes_client.extend_volume(self.volume['id'],
                                           new_size=extend_size)
         waiters.wait_for_volume_status(self.volumes_client, self.volume['id'],
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_list_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_list_rbac.py
index 90e238c..cd37d1c 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volumes_list_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_list_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -31,7 +30,7 @@
         cls.client = cls.os.volumes_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesListRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(service="cinder",
@@ -39,7 +38,7 @@
     @decorators.idempotent_id('e3ab7906-b04b-4c45-aa11-1104d302f940')
     def test_volume_list(self):
         # Get a list of Volumes
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_volumes()
 
     @rbac_rule_validation.action(
@@ -48,7 +47,7 @@
     @decorators.idempotent_id('3d48ca91-f02b-4616-a69d-4a8b296c8529')
     def test_volume_list_image_metadata(self):
         # Get a list of Volumes
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.list_volumes(detail=True)
 
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_rbac.py
index 093e2bc..71401f3 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volumes_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_rbac.py
@@ -19,7 +19,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -34,7 +33,7 @@
         cls.client = cls.volumes_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesRbacTest, self).tearDown()
 
     @rbac_rule_validation.action(
@@ -44,7 +43,7 @@
     def test_volume_reset_status(self):
         volume = self.create_volume()
         # Test volume reset status : available->error->available
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.reset_volume_status(volume['id'], status='error')
         self.client.reset_volume_status(volume['id'], status='available')
 
@@ -56,7 +55,7 @@
         volume = self.create_volume()
         self.client.reset_volume_status(volume['id'], status='error')
         # Test force delete when status of volume is error
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.force_delete_volume(volume['id'])
         self.client.wait_for_resource_deletion(volume['id'])
 
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_snapshots_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_snapshots_rbac.py
index 2fb8885..c6e7417 100644
--- a/patrole_tempest_plugin/tests/api/volume/test_volumes_snapshots_rbac.py
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_snapshots_rbac.py
@@ -17,7 +17,6 @@
 from tempest.lib import decorators
 
 from patrole_tempest_plugin import rbac_rule_validation
-from patrole_tempest_plugin.rbac_utils import rbac_utils
 from patrole_tempest_plugin.tests.api.volume import rbac_base
 
 CONF = config.CONF
@@ -31,7 +30,7 @@
         cls.client = cls.snapshots_client
 
     def tearDown(self):
-        rbac_utils.switch_role(self, switchToRbacRole=False)
+        self.rbac_utils.switch_role(self, switchToRbacRole=False)
         super(VolumesSnapshotRbacTest, self).tearDown()
 
     @classmethod
@@ -66,7 +65,7 @@
     @decorators.idempotent_id('ac7b2ee5-fbc0-4360-afc2-de8fa4881ede')
     def test_snapshot_create(self):
         # Create a temp snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.create_snapshot(self.volume['id'])
 
     @rbac_rule_validation.action(service="cinder",
@@ -74,7 +73,7 @@
     @decorators.idempotent_id('93a11b40-1ba8-44d6-a196-f8d97220f796')
     def test_snapshot_get(self):
         # Get the snapshot
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.show_snapshot(self.snapshot
                                   ['id'])['snapshot']
 
@@ -85,7 +84,7 @@
         new_desc = 'This is the new description of snapshot.'
         params = {self.descrip_field: new_desc}
         # Updates snapshot with new values
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.client.update_snapshot(
             self.snapshot['id'], **params)['snapshot']
 
@@ -96,7 +95,7 @@
         """list snapshots with params."""
         # Verify list snapshots by display_name filter
         params = {self.name_field: self.snapshot[self.name_field]}
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self._list_by_param_values(params)
 
     @rbac_rule_validation.action(service="cinder",
@@ -105,7 +104,7 @@
     def test_snapshot_delete(self):
         # Create a temp snapshot
         temp_snapshot = self.create_snapshot(self.volume['id'])
-        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
         # Delete the snapshot
         self.client.delete_snapshot(temp_snapshot['id'])
 
diff --git a/patrole_tempest_plugin/tests/unit/test_rbac_utils.py b/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
index 3c645f8..9dd5985 100644
--- a/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
+++ b/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
@@ -13,187 +13,47 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import mock
 
+from tempest.lib import exceptions as lib_exc
 from tempest.tests import base
 
 from patrole_tempest_plugin import rbac_exceptions
-from patrole_tempest_plugin import rbac_utils as utils
+from patrole_tempest_plugin import rbac_utils
 
 
 class RBACUtilsTest(base.TestCase):
     def setUp(self):
         super(RBACUtilsTest, self).setUp()
-        self.rbac_utils = utils.RbacUtils
+        mock_creds_provider = mock.patch.object(
+            rbac_utils, 'credentials_factory').start()
+        mock_creds_provider.get_credentials_provider.return_value.\
+            creds_client.roles_client.list_roles.return_value.\
+            __getitem__.return_value = [
+                {'name': 'admin', 'id': 'admin_id'},
+                {'name': 'Member', 'id': 'member_id'}
+            ]
+        self.rbac_utils = rbac_utils.rbac_utils()
 
-    get_response = 200
-    put_response = 204
-    delete_response = 204
-    response_data = json.dumps({"roles": []})
+    def test_rbac_utils_switch_roles_none(self):
+        self.assertRaises(rbac_exceptions.RbacActionFailed,
+                          self.rbac_utils.switch_role, None)
 
-    def _response_side_effect(self, action, *args, **kwargs):
-        response = mock.MagicMock()
-        if action == "GET":
-            response.status = self.get_response
-            response.data = self.response_data
-        if action == "PUT":
-            response.status = self.put_response
-        if action == "DELETE":
-            response.status = self.delete_response
-        return response
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_get_roles(self, http, config):
-        self.rbac_utils.dictionary = {}
-
-        caller = mock.Mock()
-        caller.admin_client.token = "test_token"
-
-        http.request.side_effect = self._response_side_effect
-
-        self.assertEqual({'admin_role_id': None, 'rbac_role_id': None},
-                         self.rbac_utils.get_roles(caller))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_get_roles_member(self, http, config):
-        self.rbac_utils.dictionary = {}
-
-        caller = mock.Mock()
-        caller.admin_client.token = "test_token"
-
-        self.response_data = json.dumps({'roles': [{'name': '_member_',
-                                         'id': '_member_id'}]})
-        http.request.side_effect = self._response_side_effect
-
-        config.rbac.rbac_test_role = '_member_'
-
-        self.assertEqual({'admin_role_id': None,
-                          'rbac_role_id': '_member_id'},
-                         self.rbac_utils.get_roles(caller))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_get_roles_admin(self, http, config):
-        self.rbac_utils.dictionary = {}
-
-        caller = mock.Mock()
-        caller.admin_client.token = "test_token"
-
-        self.response_data = json.dumps({'roles': [{'name': 'admin',
-                                         'id': 'admin_id'}]})
-
-        http.request.side_effect = self._response_side_effect
-
-        config.rbac.rbac_test_role = 'admin'
-
-        self.assertEqual({'admin_role_id': 'admin_id',
-                          'rbac_role_id': 'admin_id'},
-                         self.rbac_utils.get_roles(caller))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_get_roles_admin_not_role(self, http, config):
-        self.rbac_utils.dictionary = {}
-
-        caller = mock.Mock()
-        caller.admin_client.token = "test_token"
-
-        self.response_data = json.dumps(
-            {'roles': [{'name': 'admin', 'id': 'admin_id'}]}
-        )
-        http.request.side_effect = self._response_side_effect
-
-        self.assertEqual({'admin_role_id': 'admin_id', 'rbac_role_id': None},
-                         self.rbac_utils.get_roles(caller))
-
-    def test_RBAC_utils_get_existing_roles(self):
-        self.rbac_utils.dictionary = {'admin_role_id': None,
-                                      'rbac_role_id': None}
-
-        self.assertEqual({'admin_role_id': None, 'rbac_role_id': None},
-                         self.rbac_utils.get_roles(None))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_get_roles_response_404(self, http, config):
-        self.rbac_utils.dictionary = {}
-
-        caller = mock.Mock()
-        caller.admin_client.token = "test_token"
-
-        http.request.side_effect = self._response_side_effect
-        self.get_response = 404
-
-        self.assertRaises(rbac_exceptions.RbacResourceSetupFailed,
-                          self.rbac_utils.get_roles, caller)
-        self.get_response = 200
-
-    def test_RBAC_utils_switch_roles_none(self):
-        self.assertIsNone(self.rbac_utils.switch_role(None))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.RbacUtils.get_roles')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_switch_roles_member(self, http,
-                                            get_roles, config):
-        get_roles.return_value = {'admin_role_id': None,
-                                  'rbac_role_id': '_member_id'}
-
+    def test_rbac_utils_switch_roles_false(self):
         self.auth_provider = mock.Mock()
         self.auth_provider.credentials.user_id = "user_id"
         self.auth_provider.credentials.tenant_id = "tenant_id"
         self.admin_client = mock.Mock()
         self.admin_client.token = "admin_token"
-
-        http.request.side_effect = self._response_side_effect
-
-        self.assertIsNone(self.rbac_utils.switch_role(self, "_member_"))
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.RbacUtils.get_roles')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_switch_roles_false(self, http,
-                                           get_roles, config):
-        get_roles.return_value = {'admin_role_id': None,
-                                  'rbac_role_id': '_member_id'}
-
-        self.auth_provider = mock.Mock()
-        self.auth_provider.credentials.user_id = "user_id"
-        self.auth_provider.credentials.tenant_id = "tenant_id"
-        self.admin_client = mock.Mock()
-        self.admin_client.token = "admin_token"
-
-        http.request.side_effect = self._response_side_effect
-
         self.assertIsNone(self.rbac_utils.switch_role(self, False))
 
-    @mock.patch('patrole_tempest_plugin.rbac_utils.CONF')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.RbacUtils.get_roles')
-    @mock.patch('patrole_tempest_plugin.rbac_utils.http')
-    def test_RBAC_utils_switch_roles_get_roles_fails(self, http,
-                                                     get_roles, config):
-        get_roles.return_value = {'admin_role_id': None,
-                                  'rbac_role_id': '_member_id'}
-
+    def test_rbac_utils_switch_roles_get_roles_fails(self):
         self.auth_provider = mock.Mock()
         self.auth_provider.credentials.user_id = "user_id"
         self.auth_provider.credentials.tenant_id = "tenant_id"
         self.admin_client = mock.Mock()
         self.admin_client.token = "admin_token"
-
-        self.get_response = 404
-
-        self.assertRaises(rbac_exceptions.RbacResourceSetupFailed,
-                          self.rbac_utils.switch_role, self, False)
-
-        self.get_response = 200
-
-    @mock.patch('patrole_tempest_plugin.rbac_utils.RbacUtils.get_roles')
-    def test_RBAC_utils_switch_roles_exception(self, get_roles):
-        get_roles.return_value = {'admin_role_id': None,
-                                  'rbac_role_id': '_member_id'}
-        self.assertRaises(AttributeError, self.rbac_utils.switch_role,
-                          self, "admin")
+        self.rbac_utils.creds_client.roles_client.create_user_role_on_project.\
+            side_effect = lib_exc.NotFound
+        self.assertRaises(lib_exc.NotFound, self.rbac_utils.switch_role, self,
+                          False)